User's Guide - JTW Astronomy
Contents
1. B mode you still need to set the dial to M the first time you connect it to BackyardEOS This will allow the program to read all TV values properly for first time use The dial may be set to B for subsequent connections Turn the Auto Focus OFF on the camera lens if you are using photo lens You may have to turn it back to AF if you which to use the focus Lens Drive in Frame amp Focus Mode in BackyardEOS This feature is lens and camera dependent Close the Canon EOS Utility if it s running or any other programs that 1s currently connected to your camera The Canon SDK only allows for one program to access the camera at any given time BackyardEOS User s Guide BackyardEOS Screen Layout The BackyardEOS screen layout 1s segmented into seven major functional and informational areas Camera ntormaborn Center anon EOS S00 Model 261 Planetary Dritt Align Weather Temperature Himidi Camera Connection and Imaging Modes Area This are provides access to the following mode Camera Connection and Disconnection Imaging Frame and Focus Planetary Drift Align Camera Information Area This area provides information about the connected camera as follows Camera make and model Battery level ISO Dial Mode setting Mrror lock status 12 BackyardEOS User s Guide Minor Modes amp Settings Area The Minor Modes and settings provides the following e Enable and disable PHD tracking e Acce2. Nam l lt tar get gt Name ofthe object being captured and comes from the A A int nugget 2 Indicates the frame type lights darks flats Dark Flats Bias Indicates the length of the exposure in seconds Indicates the camera s ISO setting for the captured image 5 lt temperature gt Indicates the camera s sensor temperature at the time the image 1s captured indicated the standard deviation 7 lt fwhm gt indicates the Full Width Half Maximum fwhm of the target image 8 lt fstop gt _ Indicates the camera s fStop e 15 6 lt filter gt This field lists the filters available to the camera The name of each filter is separated by a space 1e 6nmHa Om Su Empty The current date the image is captured The current time the image is captured 12 lt cameraname gt Indicates the name of the camera from the camera s firmware Le EOSSOD To change a value 1 Click the down arrow on the right side of the field to be changed 2 Select the new value from the drop down list The field 1s updated with the new selection 3 You may clear a value by highlighting the value and pressing Delete 4 You may also add text to a field value as long as the added text is made outside of the lt gt characters 5 Make additional changes As changes are made the preview for the filename template near the bottom of the dialog is updated to show the changes 6 The file field Unique Identifier allows the selection
3. or Auto detect 3 Click the Save button to close the settings window Yahoo RSS feed 1 Open your browser and go to http weather yahoo com 2 Enter your location and hit enter 3 Look in the URL address bar the numbers at the end is what yahoo calls a WOEID Where On Earth ID 4 In BackyardEOS open the Settings dialog and set the Weather Provider to Yahoo and enter the WOEID in the Yahoo WOEID field 5 Click the Save button to close the settings window Here is an example in this case the WOEID is 24002902 http weather yahoo com canada ontario clarence creek 24002902 Text File Delimited 1 Open the Settings dialog and set the Weather Provider to Text File Delimited or Auto detect 2 Click on Text File Mapping 3 Selecta text file containing the weather information BackyardEOS will read the last line only This allows for cumulative weather information in the same file over time 4 Enter the start position of each field and the number of characters to read from the start position The reading box will show the result instantly 5 There is no reading required for dew point This is because the dew point is calculated from the temperature and humidity level Select the readout unit in the file Fahrenheit or Celsius 7 Click the Save button to close the settings window General The General settings allows you to set e Language e Daylight Color e Abort Delay sec
4. it s simply Canon s way of saying the camera is connected to a computer The camera is not really busy saving or working on images when it does you ll see a red light turned on at about the 4 o clock position on the rotary dial just right of the camera s ON OFF switch BackyardEOS User s Guide Frame and Focus Mode A word about Full Width Half Maximum FWHM The FWHM focus metric in BackyardEOS 1s purely a pixel width analysis done against the Live View live feed or snapped picture BackyardEOS measures how many whole pixels are saturated at half the maximum saturated value of the highest saturated pixel for a given selected star The algorithm then analyses both the left and right side again at half the height to mathematically compute the pixel fraction that is above the half height and adds this to the FWHM measurement the same is done on the right side The result LEFT FRACTION WHOLE RIGHT FRACTION FWHM It is very precise There 1s no color channel analysis performed in this process FWHM only works on one single star at a time so you should make sure to have only one star in the small zoom box where the FWHM draws its data from EE Note Your goal when using FWHM is to adjust the focus until the FWHM value is as low a value as possible for a single star EE If you want to focus on other bright objects like the moon or daytime you should use the Standard Deviation feedback and work with the highest
5. 41 BackyardEOS User s Guide mount where it is very difficult to get the star in the field of view let alone center the star on the crosshair This setting allows you to bring the crosshair to your star instead of bringing the star to the crosshair 5 Record Pressing Record initiates the drift align session The recording continues until you press Abort which terminates the drift align session 42 BackyardEOS User s Guide ASCOM ASCOM slandards for Astronomy The ASCOM feature in BackyardEOS implements manual focuser control for electronic focusers compatible with ASCOM version 5 5 or greater For example RoboFocus StarLight Digital Feather Touch Optec TCF Starizona Micro Touch FLI Digital Focusers Moonlite Motorized focusers and JMI Smart Focus Note In order to utilize this feature you must already have installed ASCOM Platform version 5 for greater Access to the ASCOM platform web site for downloads can be found here http ascom standards org Access to the ASCOM Plug ins page can be found here http ascom standards org Downloads Index htm Mi o em 43 BackyardEOS User s Guide ASCOM as is Position or Tear Off BackyardEOS allows the ASCOM PlugIn Center window to remain in its standard display position as show in the image above right or to have the PlugIn Center window displayed as a stand alone separate window that you can position anywhere on your screen that
6. Backyard EOS 2 Right click onthe file name and select Create Shortcut BackyardEOS User s Guide 3 Look down the list of files near the bottom and you will see a file named BackyardEOS exe Shortcut Click of this file and drag it to a location on your desktop 4 Ifyou would like to rename the shortcut right click on the shortcut on the desktop and select Rename 5 Enter the new name for the shortcut and press the Enter key 6 You re done You can reposition the BackyardEOS shortcut where it is most convenient for you 10 BackyardEOS User s Guide Camera Preparation Preparing your camera is an important part of your setup Here are the general steps to prepare your camera for a successful imaging session l Install the camera drivers that came with your camera If you can connect your camera to the EOS Utility or EOS capture for older models then all the drivers are properly installed Important Please ensure the in camera option Communication is set to either Normal or PC Connection If it is set to PTP it will not work The PTP setting is for printing images and is not suitable to control the camera for imaging purposes E Connect the USB cable to the camera and your computer If this is the first time you connect the camera to your computer let Windows complete its driver setup before starting BackyardEOS Turn your camera ON and set the dial to M If your camera has a
7. Plan area 1s changed to the Zoom Box Center as shown here gt In addition the large Imaging Center area 1s changed to the Drift Alignment Center As in the Frame and Focus Center area clicking once in the Drift Alignment Center area locks the crosshairs in the zoom Box center Double clicking in the Drift Alignment Center area unlocks the crosshairs in the Zoom Box center area and allows the drift alignment crosshairs to be moved with the movement ofthe mouse Clicking a single time will lock the crosshairs in ther current location There are five adjustments available in the Drift Align mode They are 1 Zoom Control Zooms the crosshair area from 2x to 10x 2 Rotate Rotates the crosshairs Click the up control rotates the crosshairs in a clockwise movement in increments of 0 25 degrees Click the down control rotates the crosshairs in a counter clockwise movement in increments of 0 25 degrees The movement is clockwise from 0 degrees or 45 degrees and counter clockwise from 360 degrees to 315 degrees 3 Width crosshair The Width control sets the spacing of the horizontal and vertical crosshairs The default is 5 The range is from to 10 4 Drift Align Offset The crosshair in drift alignment can be offset from the center on both X and Y axis The default offset is 0 in X horizontal and Y vertical The maximum range in X and Y is from 1000 to 1000 This is particularly useful if you are using an Astro Trac
8. accurate in reporting the remaining battery percentage User report seeing the percentage dropping from 90 to 50 or less in a single increment BackyardEOS simply displays the percentage value that the camera reports to it Netbook Resolution Checking this option will enable Backyard EOS to work in 1024x600 resolution Backyard EOS attempts to auto detect your resolution at startup and will automatically scale it down for you However in some cases Backyard EOS is unable to detect the Netbook resolution so this setting provides a means to set it manually Planetary The Planetary settings area allows you to set the following Merge AVI Backyard EOS merges all AVI output produced during one planetary recording into a single AVI file By default BackyardEOS creates 2GB AVI segments This setting is i e optional because it adds a few additional minutes to Vie process The default setting 1s off Memory Preservation Memory Preservation is needed to control memory consumption in Planetary mode BackyardEOS v2 has increased the frames per second rate in planetary significantly by grabbing as many live view frames from the camera as possible and as fast as it can the images are then pushed into memory and a background process takes them from memory 1 by 1 and adds them into the AVI file This can consume a lot of memory very fast the memory preservation parameter tells BYE to slow down the reading live view frames if the rema
9. aee 24 PTE CA A O eet reed Loita 24 Advanced A ee 25 EOS UTY C ECK O 23 Sit Ax el EE TER EE 23 Sp WIFE EE Dita aan 26 Processor AMA Ee 26 Came ta Anto O AMES E 26 Camera Force Read Pope tHe 26 Experimental e iS 26 Backyard EOS O Pera as pd AA A A SA A A 28 Starring BACK vat OS ni ia sia 28 Frame ana POC US MIO Ce inalterada 29 A word about Full Width Half Maximum FWHM ooooooocccnnnnnnnnnncnonoccnnnnnnnnnnonononos 29 Focus me wthio u EE 30 MAENE MON sree acta ace asi asic O E OTEO ieee a Cre avin an Miia o IA A a2 Usmo thot apre Plane eat 32 NA died anarene O 33 ALDOUS am TMA CSS ESO elote 34 Use the SxDOSUG LOOP Te AUIS EE 34 Using the exposure Preview ica 34 Liste the exposure Pest ab lee aaa 34 US mo The Ee ipse anni catre 35 Some notes regarding Darks and PES inicie 39 EE 36 A O nM NT aT Cr ene ee nee Ce 36 A EN 36 A o e E EAE 36 AS A A a a7 s EE SC Regen EE 37 Other mas Center Controla 37 EE SP O 38 Usme the Planetary Cap ure PA rai naaa 38 DATASI Mode aria tercios 41 ISO NI OPS 2st nea eM eee a 43 ASCOM as POSTOR Teat Ord iaa 44 besi lOS OONO EH 45 Why is there an alarm every 15 seconds what does mea 45 Why is the Camera Center reporting a conflicting dial mode 45 Why is the Lens Drive in Frame amp Focus not driving my lem 45 Why is the abort button not aborting my session tica 45 EEN 46 BackyardEOS User s Guide BackyardEOS Overview BackyardEOS has four main modes Imaging Mode Fram
10. is convenient for you The tear off window is still tied to the BackyardEOS UL with the added flexibility to place it wherever you want on your screen Its location is also remembered the next time you tear it off To make the ASCOM window stand alone click the angled ne 8 E arrow in the upper right corner of the ASCOM PlugIn Center MH window Bicher Ifthe ASCOM platform is installed on your system the platform version 1s displayed at the top of the ASCOM PlugIn window The absence ofa Platform version in the PlugIn Center window is an indication that the ASCOM Platform is not installed and must be installed before this feature can be used The ASCOM PlugIn Center window displays Focuser and a Telescope control buttons at the bottom of the PlugIn Center window Please note that the Telescope control button functionality 1s planned for an upcoming future release of BackyardEOS The Focuser button functionality provides the means of controlling an ASCOM compliant electronic focuser listed above Before you begin make sure that your ASCOM compliant focuser is installed powered up and working correctly 44 BackyardEOS User s Guide Troubleshooting This section tries to explain some concepts and to elaborate as to why BackyardEOS may be behaving in certain ways Why is there an alarm every 15 seconds what does it mean BackyardEOS will sound an alarm every 15 seconds when the battery reaches a low thresh
11. of a lt timestamp gt or lt sequence gt The default setting is lt timestamp gt 7 Click Save to save your changes 8 Click Cancel to exit the dialog without making changes You may also add a unique identifier to the file naming conventions The two choices are e Time stamp default e Sequence number up to six digits Once this option is select Back yard EOS automatically increments the sequence number with each image captured and 16 BackyardEOS User s Guide save The last sequence number is remembered from imaging session to imaging session The sequence number may not be reset in Version 2 Download Folder The Download folder allows you to specify the folder location where the current Imaging sessions files are stored Clicking the ellipses button Mo the right of the Download Folder field displays the Windows Browser dialog Browse to the desired folder or create a new folder and click OK Sub folders The Sub Folders settings provides a semi automated way of creating folders for your images BackyardEOS provides three folder creation templates They are e Library Style Lights Darks Flats etc If Library style is select BYEOS will automatically create a sub folder named LIBRARY under your selected Download folder and will create a LIGHTS DARKS FLATS etc folder as those types of images are captured e HDR Style Target name duration ISO Shutter IfHDR style is selected BY EOS will automat
12. 5 to 0 5 pixels and in the highest they will vary from 1 5 to 1 5 pixels in the guide frame Since people typically guide at shorter focal lengths than they image at this will usually have a much larger effect in your main images Settle dither at This parameter specifies how far off the star can be from the lock position before Dithering is considered a success Typical value is between 0 10 and 0 30 Calm down period A set number of seconds to pause between dithering and the next image capture This is particularly useful to let PHD stabilize properly Weather Provider The Weather Center supports 3 weather providers 1 TEMPerHUM device 2 Yahoo Weather RSS feed 3 User supplied text delimited file AAA Note If you set the weather provider to Auto detect BackyardE OS will attempt to read the TEMPerHUM device first if it fails it will try the Text File Delimited if it fails it will try the Yahoo RSS feed if a WOEID is provided If it can t find any of these two sources it will display an NA reading in the Weather Center BackyardEOS User s Guide TEMPerHUM A TEMPerHUM device sells for about 20 on eBay this is an awesome piece of hardware and is highly recommended BackyardEOS supports TEMPerH UM versions 1 and 2 1 Plug the TEMPerHUM device in a USB port Youdo not need to install the drivers that came with it 2 In BackyardEOS open the Settings dialog and set the Weather Provider to TEMPerHUM
13. BackyardEOS User s Guide Skip WRITE EXIF Data BYE will not add the EXIF data to downloaded images in rare cases spawning an external command prompt process exe from net will cause Windows to hang This option has no negative side effect other than not have extra data added to the image files coming out of BYE Should be enabled if BYE is showing signs of instability Processor Affinity On multi core CPU computers BYE will use a single core for increase stability and minimum to no performance lost Should be enabled if BYE is showing signs of instability Camera Auto Connect Instruct BYE to auto connect the camera when one is plugged in while BYE is running Camera Force Read Properties Will force BYE to refresh its memory cache of pertinent camera properties setting before each picture is taken Should be enabled if BYE is showing signs of instability May add roughly 2 seconds before each picture Experimental Settings expenmental Settings e Virtual Mirror Lock Virtual mirror lock is experimental feature as such it is not reliable on all camera models and may introduce amp glow Make sure you experiment with your camera before using in the field The feature uses the existing USB cable to flip the mirror up before opening the shutter The delay between the mirror flip and the shutter opening 1s controlled by the Mirror lock value on the Imaging tab Note Virtual mirror lock is NOT a substitution for t
14. OS camera The included cable 1s approximately oft long If your require a cable longer than 10 feet you should consider using an Active Repeater extension USB cable i Requires a serial cable for bulb exposure Otherwise limited to 30 second exposures Does not have Live View Canon has stopped support for the 350D and earlier models on Windows 7 they only have drivers for these older models on Windows XP and Vista 32 bit only This is a Canon limitation The EOS Utility will not work either on Windows 7 64 bit forthe 350D and earlier models BackyardEOS uses the same Canon SDK as Canon uses for their EOS Utility so Backyard EOS is limited not by choice to what Canon Supports BackyardEOS User s Guide Installing BackyardEOS BackyardEOS 1s delivered in an electronic download format only The installer package is straightforward click click click and you re done This are no gymnastics performed with any registry keys As a result you can just as easily copy the entire content ofthe installation folder anywhere after a successful installation and run the application from there including a USB key though it may runa bit slower You may download the latest release on our website http www Back yard EOS com SS BackyardEOS requires a license file to run There are 2 ways in which you can obtain a license file Purchase a copy of BackyardEOS or request a free 30 day trial license file Pleas
15. Powerful Affordable and Easy to Use Astrophotography Software BackyardEOS Version 2 0 0 User s Guide http www BackyardEOS com Copyright 2010 2011 BinaryRivers Corporation All Rights Reserved BackyardEOS User s Guide Table of Contents eege 4 Pi SM INNO A ae eee eet anette 4 Frame amp Focus Mode dans 4 A o y ao 5 A A NN S N16 9 0 Sf d G2 0 e 6 ee TEAC ay Re eege 7 PESCA USOS is ee oia 7 Create a Backyard BOS Desktop SOU tado 9 CAM EE 11 Back yard EO S lt Scrce tl Layo Ub as I2 Camera Connection and Imaging Modes Arc e 12 Camera Mota O ll 12 Minor Modes amp SC Wi BS Afet EE 13 AAA a E A tm TE eee 13 Progress Weer ADO cand a AS 13 Masne A 13 A N A O 14 A nt wenn ne eet eerie eevee Nese ame PrN nee EO 14 Mo EE 15 DOWO el ayo 6 a a o 17 SUD OIE S eeen EN O 17 SIE 17 A aa E T E 17 EE 17 Poor PP E E 18 EVON OW nan i II IA 19 MARU Aper ica 19 EE EE 19 A A EE o BCE A 19 PY SOV MeN IASC ceeds ete ot bated acca E Cette oeecaab oes 19 PHD it sa 20 PHD dithero Starr Aa 21 Di A A Sch SEN TAG eraon Te AE O Ea 2l Cadwn Ee rani e OT T EEA Nel 21 Wed erro Te EE 21 TEMP or HUM sas ccctutoticeitnelansmiea anual ane ae ieneenuudaia anus eieae ae ar eee eee vas 22 Valo RSS A eo iia 22 A APA o Un O ee Ry 22 A A A T EA O TOO ETES 22 Eeer 23 ANA e ee O aeneentocsbienteccas 23 BackyardEOS User s Guide ADO eee rete e en ee rte Se ee eR ae BEE eo eR PRO OE 29 La o 25 Netbook Reso MMOD ot enn
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17. action can only do so much BackyardEOS sends a signal to PHD to tell it to move the lock position the position of the crosshairs in PHD bya small random amount Once PHD has moved the star and reestablished stable guiding in the new location BackyardEOS will resume imaging BackyardEOS automatically ignores dithering for all image types other than LIGHT So it s okay to leave it on as it won t dither for images of type DARK FLAT DARK_FLAT and BIAS In PHD 1 Start PHD as you would normally do You must have PHD v1 8 6 or later 2 Check the Enable Server option in PHD under the Tools menu PHD will remember this setting so you only have to do this once In BackyardEOS Enable PHD dithering in BackyardEOS You do this by clicking the PHD button in the Imaging Mode The Message Center will display the message PHD dithering is enabled eg IMPORTANT BackyardEOS is not able to dither if the Enable Server option is not checked in PHD even if the PHD Dithering is enabled in BackyardEOS EH 20 BackyardEOS User s Guide PHD dither on start up This parameter will automatically turn ON or OFF the BackyardEOS dither feature each time you start BackyardEOS You still need to check the Enable Server in PHD Dither aggressiveness The dither sent will be a random number of pixels in X and Y scaled by the level you set here In the lowest level the random numbers will vary from 0
18. and watch the screen The Snap Image button When you snap an image live view 1s automatically paused This is to allow the camera to take the picture and for Backyard EOS to display the image If you wish to resume live view after a snapped image click the Live View button Focusing without Live View You can still use the Frame and Focus without Live View Simply pause Live View and snap a image or a series of images FW HM is used using the still images instead of Live View You may set the number of exposures default is one shutter speed default is bulb exposure duration in seconds the ISO default is 3200 and a pause value default is one second between each exposure These settings are typically used to assist in non Live View focusing Let s say that you re using a Bahtinov Mask the stars are not very bright and Live View doesn t show the Bahtinov pattern very well You decide that you need a continual loop of two to five second exposures depending on the star brightness at the default ISO to allow you to manually focus and achieve evenly spaced diffractions based in the ima ge shown in Back yardEOS Here s how to accomplish that To frame and focus without Live View Start Back yardEOS Connect to your camera Click the Frame amp Focus button Set the exposure settings Set the number of pause seconds Enable the loop feature by clicking the Loop button Start the loop plan by clicking Snap Image Adjust t
19. ates the image 180 degrees from its current position The Opacity slider provides the ability to adjust the transparency of the image that is loaded into the Image Center window Some notes regarding Darks and Flats Both darks and flats at least with a DSLR require some user interaction with the scope and camera so there are no clear cut settings to be used Since the darks should match the light frames in terms of ISO setting temperature and exposure 1f you shoot your darks at twilight you should only need to reset your file type to Darks after covering your scope perhaps adjust the number of exposures and rerun your plan Flats of course depend on your method of capturing them t shirt illuminated panel etc but require setting the camera to AV and BackyardEOS to AV Flat then resetting your ISO downward until you get proper histogram placement There are two methods to take flats 1 Choose the AV Flat shutter This will take a normal AV shot and the camera will make all the necessary metering for you There is no control over the camera when taking AV F lats 2 Choose the appropriate TV shutter that will give the 30 000 you are seeking You may have to take a few test shots to find out the necessary TV shutter required to produce the optimal ADU 25 000 30 000 35 BackyardEOS User s Guide Viewing Images The Image Center area provides the means to view the images as they are captured and or to select and view i
20. ay Camera Connect 14 BackyardEOS User s Guide Here is the Image Capture settings section Image Capture Filename template doe Srametype gt lt durabionos lt isoxso eo Download folde C sere Miss Mary Pictures Backyard EOS Subvalders Fiber Lia PHO mider Weather romader Filename Template The filename template provides the user with the ability to configure the file naming convention for captured images The default file naming template 1s lt target gt _ lt frametype gt _ lt duration gt s_ lt iso gt iso_ lt fstop gt _ lt temperature gt _ lt filter gt _ lt stdev gt st dev_ lt timestamp gt To make a change to the filename template click the ellipsis button E to the right side of the field The following dialog is displayed Filename lemplate Editor Select file name items andar type any text you want an add more than 7 item per line if you pe them in i Mame tem 1 lt target gt Name iter lt frametype gt _ Name bem 3 durabon gt s_ Here item 4 50 HEO Name tem 5 lt fstop gt _ Name item 5 lt temperaiure gt _ Name em 7 vi Ai ber 3 Name item lt stdew gt stdew_ Hame item E Hare tem 10 Linmque identbher lt bmestamp gt A ZE A E T M33_LIGHT_300s_1G 0so 56 1H_IDAS_195lstdew_20111006 09h52m00s863ms cr Save Cancel 15 BackyardEOS User s Guide Each of the current name values are displayed in the ten fields The possible filename items are Name Lem
21. ce will display Luminance data and clicking it a second time will display RGB Conversely clicking the RGB button once will display RGB data and clicking it a second time will display Luminance data Aborting an Image Session To abort an imaging session click the Abort button see image above in the upper right corner of the application just below the progress wheel Depending on your configuration see Abort Delay in the Settings dialog you may need to press down on the Abort button for a few seconds to initiate the abort sequence SSS Note Depending on your configuration you may need to press down on the Abort button fora few seconds to initiate the abort sequence Ifan imaging session is in progress using PHD guiding pressing the Abort button once will terminate the guiding but does not terminate the imaging session Clicking the Abort button twice terminates the PHD guiding session and the imaging session as well Using the exposure Loop feature When the Capture Plan settings have been entered clicking the Loop button will cause the imaging session to repeat continuously until the Abort button 1s clicked Using the exposure Preview feature The Preview button takes the first image only in your plan in JPG format instead of RAW and displays it to allow you to examine what the resulting image will look like without the added post processing ofa RAW image Consider using this feature with Loop when you use th
22. e amp Focus Mode Planetary and Drift Align Mode Each mode is specifically designed to focus on the actual task at hand Imaging Mode The imaging mode allows you to fully automate your imaging session with different capture plans A capture plan can contain a mix of shutter actuations in one single plan BULB Tv Av and Program shutter speed if supported by your camera model In Imaging Mode BackyardEOS 1s capable of communicating with the popular guiding software PHD to automate dithering between each exposures see Settings PHD Guider section e Automatic RAW acquisition never forget to set your camera s image quality to raw again Backyard EOS will set it to RAW for you e Support several shutter actuations in one single plan BULB TV AV and Program e Full Dithering support with PHD Guiding software e Acomprehensive image files naming structure which includes target name exposure duration ISO speed filters used camera sensor temperature and timestamp e BackyardEOS keeps your original CR2 files e No predefined ISO speed list BackyardEOS gives you the entire selection your camera supports e No predefined TV list BackyardEOS gives you the entire selection your camera supports e No predefined AV list BackyardEOS gives you the entire selection your camera lens if attached supports e Histogram in L Luminance or RGB display e A Weather Center capable of reporting on current weather condition humidity leve
23. e consult our web site to purchase BackyardEOS or to obtain your free 30 day trial license file Prerequisites e Window XP Vista or Windows 7 e Microsoft Net Framework 3 5 e Minimum screen resolution is 1024 x 768 or higher for regular use or 1024 x 600 for Netbooks BackyardEOS will automatically detect if you re running ona Netbook and will scale down to run efficiently on 1024 x 600 resolution monitors The installer will guide you to Microsoft s download site if the Net Framework 3 5 is not installed 2 This application needs Microsoft Met 3 5 which Is not yet Installed Do you like to download It now Note The following instructions and screen shots are typical for a Windows 7 installation BackyardEOS User s Guide Once you have downloaded the BackyardEOS ZIP RAR file to your hard drive 1 Locate the BackyardEOSv2 zip file and double click on tt This file is a self extracting zip file so no special program is required to unzip it The following WinRAR dialog is displayed 3 BackyardtOSv2zip WinRAR 2 2 File Commands Tools Favorites Options Help E h weg L JAHM A 7 4 Add ExtractTo Test View Delete Find Wizard Info VirusScan Comment Si 3 E BackyardEOSv2 2ip ZIP archive unpacked size 45 709 159 bytes e Name Size Packed Type Modified A File folder 11 6 2011 1 42 de Backyard OSw2 Sra N Total 1 folder e 2 Highlight the Back ya
24. e eclipse framing feature when you don t want need a RAW image Using the exposure Test Cable feature The Test Cable feature when enabled opens up the selected COM port to test your serial cable if you are using one If you select anything but Camera USB in the Cable Support drop down list the Test Cable button is enabled Ifthe test cable fails there is no point in starting you 34 BackyardEOS User s Guide imaging session if you re using a serial cable You need to find the root cause as to why the test cable did not actuate the camera shutter Using the Eclipse Framing feature The Eclipse Framing overlays the current imaging session with an image from a previous imaging session The purpose is to facilitate framing a second session or post meridian flip exactly as your original session was This way when you stack both sets you don t lose any data at the edge of your images The feature offers full control over the opacity of the eclipsed image and also allows you to flip the eclipsed image for post meridian image framing When Eclipse Framing is clicked the Eclipse Framing settings adjustment dialog is displayed in the upper right corner of the Image Center The ellipses Image button on the far right displays a Windows File Explorer dialog when clicked to allow you to navigate to the desired image and select it Back yardEOS loads the selected image into the Image Center window The Rotate button rot
25. g session Clicking on a thumbnail ima ge displays the image in a full screen presentation mode S BackyardEOS User s Guide Planetary Mode The BackyardEOS Planetary mode provides the ability to write short movies with your digital Canon DSLR using its Live View capabilities directly on your computer When the Planetary button is clicked the Planetary capture Plan area is displayed Use the in camera 5x zoom feature to enhance viewing To center your object double click anywhere in the Planetary Imaging Center area move the Zoom Rectangle around to center your image Do not hold the mouse button down while moving When you are satisfied with the position of the rectangle click one time in the image to lock the rectangle in place The image within the rectangle will expand enlarge to fill the Planetary Imaging Center window The Planetary Imaging Center controls provide the following functionality e Fit Zoom Scale and display the entire image while preserving the images aspect ratio e Presentation Display the image in full screen presentation To close the Presentation window click the window close button the X in the upper right hand corner of the image e Zoom Rectangle Toggles the Zoom Rectangle Places a rectangular box over the center of the image and allows you to move it for the 5x zoom location e 5x Zoom pr Provides a 5x enlargement of the area within the Zoom Rectangle Using the Planeta
26. he focus until you are satisfied with the diffraction spikes 9 If you run out of time simply press Snap Image again and repeat the process until you are satisfied oe a E SE 30 BackyardEOS User s Guide 10 When satisfied that the best focus has been achieved click the Imaging button or another mode button don t click Disconnect to terminate the Frame and Focus mode Note In Frame amp Focus mode all snapped images are taken in JPG only By default these images are not saved You can change this behavior in the button s configuration panel Click on the highlighted text Snap on the button to access the settings panel BackyardEOS User s Guide Imaging Mode Creating an Imaging Session Using the Capture Plan Center The simple method for acquiring images 1s as follows 1 Make sure your camera is turned on and is connected 2 Click the Imaging button in the upper left corner of the main screen 3 In the Capture Plan Center area select the Frame Type the default is Lights Other choices ENEE are Darks Flats Dark Flats and Bias are mal 4 Select the Cable Support setting the default 1s Camera USB Additional choices are available depending on the camera model 5 Select the optional Mirror Lock setting in seconds The default setting is 0 The Mirror Lock value represents the wait time in seconds between mirror flip up and the actual start of the exposure Note If the Virtual Mirro
27. he native in camera mirror lock If you plan on using mirror lock you should consider using a serial cable and use the native in camera mirror lock function A native function is always preferred over a software altemative Mirror Lock requires a serial cable in addition to the USB cable 26 BackyardEOS User s Guide e Save Clicking Save saves your changes and closes the Advanced Settings dialo g e Cancel Clicking Cancel ignores any changes made to the Advanced Settings dialog and closes the Advanced Settings dialo g e Maximum Stability Clicking Maximum Stability e Reset defaults 21 BackyardEOS User s Guide BackyardEOS Operations Starting BackyardEOS To start BackyardEOS Make sure BackyardEOS 1s properly installed see Installing BackyardEOS section Double click on the BackyardEOS icon Ifa camera is detected at start up BackyardEOS will automatically connect to it Ifa camera is not detected at start up connect the camera and then press the Connect button in the upper left corner SC Note BackyardEOS automatically remembers its screen location and positions itself in the same location where it was last used The busy signal on the upper LCD display on your EOS camera is not caused by Back yardEOS In fact as soon as you plug the USB cable from the camera to the computer the busy signal shows up Backyard EOS does not even have to be on yet No worries about losing any images or what not
28. ically create a sub folder named HDR under your selected Download folder and will create additional sub folders named with the Target Name Exposure ISO and current Shutter e Date Style yyyy mm dd Target name If Date style is selected BYEOS will automatically create a sub folder named with the current date yyyy mm dd under your selected Download folder and will create an additional sub folder with the name ofthe current Target Filter List The Filter List is an optional field which stores the filters available to the camera The name ofeach filter is separated by a space space delimited 1 e 6nmHa Om Su Empty If this field is configured with filters and the lt filter gt option is included in the selected FileName template the filter selected in the drop down Filter list in the Capture Plan section will be inserted into the image filename Save To The Save To setting allows you to save captured images to your Computer or to your Computer and Camera Card CF SD card in your camera The default setting is to save captured images to your computer Quality The Quality setting allows you to save captured images in Canon RAW format or RAW JPEG format The default setting is to save captured images in RAW format 17 BackyardEOS User s Guide Progress Center The Progress Center setting allows you to display either the standard Capture Plan Center or a condensed larger view that let you know at a glance how ma
29. ining available memory in the computer falls under this value without it you would run out of memory if you were doing a few thousand frames The default setting is 25MB 24 BackyardEOS User s Guide Changes in the Memory Preservation value will not improve increase the Frames Per Second FPS rate Memory Preservation simply prevents your computer from running out of memory if your camera computer combination 1s able to capture them faster than they can be pushed into the AVI Advanced Settings The Advanced settings dialog provides the following configurations Performance and Stability O O O Advance Settings EOS Utility Check Skip READ EXIF data Skip WRITE Exit data Processor A ffinity Camera Auto connect Camera Force Read Properties Performance and Stabedty Settings D Maximum Stability p Defaults EOS Utility Check When enabled BackyardE OS will verify if EOS Utility is running before connecting a camera Connection will be denied if it is found to be running to prevent camera contention between BYE and EOS Utility Skip READ EXIF Data BYE will not read the EXIF data of downloaded images in rare cases spawning an external command prompt process exe from net will cause Windows to hang This option allows the user to opt out As a negative side effect the camera sensor temperature will not be retrievable Should be enabled if BYE is showing signs of instability 25
30. l and dew point e BackyardEOS adds valuable EXIF metadata to your CR2 files such as target name filers used and current weather conditions if configured just to name a few Frame amp Focus Mode The Frame amp Focus with live FWHM gives you instant focus feedback and the ability to view the full DLSR field of view e Use of Live View if the model of your camera supports Live View e Live FWHM with instant focus feedback in big numbers you can see from a distance BackyardEOS User s Guide e Frame your target knowing you can see the full DLSR field of view except on Netbooks e An instant Zoom Box feedback with up to 5x e Lock the Zoom Box position anywhere on the full DLSR field of view not just the center e Star HD which stacks live view frames instantly and enhance stars using a blend of contrast brightness invert and logarithm and edge detections when a Bahtinov mask 1s used e Control and focus your camera lens if you are using photo lens from BackyardEOS Planetary Mode In Planetary Mode BackyardEOS has the ability to capture short movies with your digital canon DSLR using its Live View capabilities this feature is only available on those EOS digital models having Live View directly to your computer The Planetary Modelallows you to set the following parameters Shutter Bulb 2 5 seconds to 1 8000 ISO 100 3200 Aperture 12 8 to f22 White Balance Target Name Image Count The
31. mages displayed in the filmstrip area below the large image display area E F IN e e Mage size e ERE OE The Image Center provides the following functions with the Image Action buttons Fit Zoom Scale and display the entire image while preserving the images aspect ratio Presentation Display the image in full screen presentation To close the Presentation window click the window close button the X in the upper right hand corner of the image Toggle Crosshair E Places a grid with a centered circular crosshair over the entire image 36 BackyardEOS User s Guide EXIF Data Displays the EXIF data for the selected image Eclipse Framing Please refer to the Eclipse Framing feature in the Imaging mode chapter Thumbnail Toggles the filmstrip display on and off Other Image Center Controls Image Name The image name area immediately above the image displays the file name of the currently displayed image Image Size The image size percentage control in the upper right corner of the Image Center 1s toggled off and on with the Fit Zoom button The Fit Zoom button is pre programmed to allow the image size to be scaled from 20 to 400 In this mode the ima ge scroll bars are displayed to allow the image to be scrolled in either axis at the current image size Thumbnail Filmstrip The filmstrip area displays a thumbnail representation of each of the images captured during the current imagin
32. n the Start Capture button is clicked two display areas show the progress of the imaging session The two display areas are the Progress Center and the Progress Wheel Abort Capture area in the upper right corner of BackyardEOS As each captured image 1s completed the image will be displayed in the Image Center display area see the Viewing Images section below BackyardEOS does add Exif data and some software may not like that You can opt out of adding extra Exif data by checking the appropriate box in Settings gt Advanced Settings If you check the Skip WRITE exif data in BackyardEOS the cr2 RAW downloaded by BackyardEOS is 100 as is delivered by the camera Histogram Center The Histo gram Center provides a graphical representation of the tonal distribution in the most recently captured digital image and acts as an aid to show whether image detail has been lost to blown out highlights or blacked out shadows The following options are provides in the Histogram Center Hhistbogram Center Vertical Division Bars This button toggles through zero one two or three vertical division bars The image above shows two bars Clicking the button showing the two will increase the bars to three Se BackyardEOS User s Guide Luminance and RGB The Luminance and RGB Red Green Blue buttons toggle the histo gram to switch between a Luminance or an RGB representation of the image data Clicking the Luminance button on
33. ng the recording mode Backyard EOS sends one out of every ten frames to the image display area instead of each and every frame Updating the display in this manner allows BackyardEOS to have as much processing power as possible to capture and push the images into the AVI file Allowing all frames to be displayed would slow down the overall FPS The progress wheel in the upper right corner will display the Planetary recording activity in the following sequence Preparing Samp ling Recording Creating AVI File AA d J Pa Cresating Planetary Sampling FPS Planetary AVT AYI 100 d he TTT TL ode hy hy r d Zu F NW Zu Abort Abort BackyardEOS User s Guide When you enter Planetary Mode BackyardEOS automatically shifts to the camera s Live View mode and displays the following active Live Vie w button Clicking the Live Vie w button toggles between Live View Pause and Resume Note The create AVI file process is 100 dependenton your computer CPU speed RAM available and Hard Disk write speed BackyardEOS User s Guide Drift Align Mode The Drift Align Mode allows you to record the drift error by stacking Live View frames over a period of time typically between 2 and 10 minutes It all depends on how accurate your initial mount polar alignment 1s Zoom Box Center During the timed stacking process a star train will form When the Drift Align button 1s pressed the Histogram and capture
34. number Vote that BackyardEOS defaults the ISO to the highest possible value supported by you camera By default BackyardEOS calculates and displays PARL Lo AR Standard Deviation click the Standard deviation checkbox Note Live View remains on until you manually pause it or switch to another mode To focus with Live View Start Back yardEOS Connect to your camera Click the Frame amp Focus button Adjust your camera lens or telescope focuser to achieve best focus Note that as you FWHM 24 8 d change focus the FWHM value changes instantly Use the lowest FWHM value or if using Standard Deviation use the highest value 5 Click Snap Image to take an exposure and freeze the image to closely inspect the focus ee Seng 29 BackyardEOS User s Guide Backyard EOS uses the exposure settings when the Snap Image is taken 6 When satisfied that the best focus has been achieved click the Imaging button or another mode button don t click Discomnect to terminate Live View Frame and Focus mode The Loop button between Snap and Live View 1s a toggle ON OFF button When ON the Snap images will loop continuously when OFF the Snap button take a single shot The Live View button You can toggle Live View on off by pressing the live view button in the lower right corner The button will toggle images between a PAUSE and PLA Y image IF you re not sure if the live view is streaming simply move the camera to confirm
35. ny images in a series capture plan have been executed Le 1 of 5 and how much time remains until the capture plan 1s completed 1 e 10 47 The image on the left shows the normal Capture Plan Center while the image on the right shows the large Progress Center Progress Center Estmated finish tme 11 07 Caoptite Plan Center Frame ype Lamp Support LIGHTS Lamera USE arget Name D lier ANY TARGET 3of5 ISO 1600 0 2 Clicking Suspend pauses the current imaging plan until Resume is clicked Progress Center Progress Center Estimated finish time 00 0 Estimated finish tme 11 13 20f5 Downloading Suspended ISO 1600 18 BackyardEOS User s Guide Live View The Live View settings area provide the following configurable settings Maximum Aperture Save Snap Images Throttle an milliseconds FWHM Average frames Maximum Aperture When enabled each time a live view session is activated the camera will be set to the highest ISO Aperture TV for maximum light sensitivity When disabled the current camera settings are used Default is ON Save Snap Images The Save Snap Images setting will keep a copy of all snapped images from the Frame and Focus windows otherwise these images are not saved to your hard drive The default setting is on Throttle The Throttle setting is a pause_ time in milliseconds between each live view frame This setting is useful for slower computers so that Li
36. old The threshold is configurable in the settings dialogue You can disable the alarm by setting the threshold to 1 Why is the Camera Center reporting a conflicting dial mode Back yardEOS changes the dial mode programmatically This may lead to some confusion because the physical dial on the camera may be set to BULB yet BackyardEOS 1s reporting a MANUAL BULB TV AV or PROGRAM dial mode setting in the Capture Plan Center This is by design The benefit 1s tremendous it 1s the only way to have a 100 fully automated capture plan that combine BULB TV AV and Program shutters in one single capture plan without physically touching the camera The 50D 60D and camera models with 3 and 4 digits d amp d do not support mixed capture plans with a Program or Av shutters only BULB and TV On these models you need to change the dial manually to Av or Program if you wish to take an Av or Program shutter pictures using Back yardEOS Why is the Lens Drive in Frame amp Focus not driving my lens Do you have a camera lens attached to your camera Some lens requires that they be set to AF mode and some work in MF mode Experiment with your lens to see which setting 1s best for you Why is the abort button not aborting my session Check the configuration Abort Delay in the setting dialog It may be set to a value greater than zero 45 BackyardEOS User s Guide Index e EE 5 aspect ratio A 21 Sen cstecac o
37. onds BackyardEOS User s Guide e Low Battery Alarm disabled e Netbook Resolution Language BackyardEOS supports the following language choices German English Spanish Italian French Netherlands Turk Ukrainian Chinese simplified To change the language click on the drop down list select your language and click Save You will need to exit Close BackyardEOS and restart it for the language change to take effect Daylight Color Aquamarine Kahki Light Steel Blue Pale Green Silver White To change the Daylight Color click on the drop down list select your color and click Save Abort Delay The Abort Delay is a long button press feature When set you need to keep the Abort button down for x seconds before the abort sequence is triggered Low Battery Alarm The Low Battery Alarm setting provides a means of setting a warning when the camera battery s remaining power percentage has been reached depleted If you set the reading to 25 as an example when the camera reports a battery remaining percentage to BackyardEOS if the reading is equal to or less than 25 the setting Back yardEOS will issue a low battery warning 23 BackyardEOS User s Guide Setting the percentage to 1 disables the warning If you use an external A C power supply to power your camera make sure the setting is at 1 The default setting is 1 Note The camera s software firmware is not
38. r Lock feature is checked in the Advanced Settings dialog this Mirror Lock setting will be enabled Otherwise the Mirror Lock setting will be disabled grayed out 6 Enter the Target Name Select the optional Filter which will be used in this capture plan 8 Set the optional Delay value in seconds which will be used to delay the start of the capture plan once you press the Start Capture button This is meant to give you time to walk away before the first exposure to eliminate any vibration you may cause by walking away to be transferred to your first frame 10 Enter the settings for the Exposure groups there are twenty five possible exposure groups ww a Set the number of Exposures for the first exposure group b Select the Shutter setting The default is BULB There are many other choices based upon the features ofthe camera model c Select the Duration of the exposures The default 1s one d Select the ISO setting The default is ISO 1600 There are many other choices based upon the camera model BackyardEOS User s Guide e Select the optional Pause value in seconds which will be used to pause the camera between each exposure This setting provides some ability to allow the camera s sensor to cool a bit between each exposure f If more than one exposure group is desired repeat steps a through e for each additional exposure group 11 Click Start Capture Whe
39. rd EOS v2 above and click on the Extract To button The Extraction path and options dialog is displayed 3 Enter the destination path when BackyardEOS 1s to be installed 4 Click the New Folder button to create a new folder where BackyardEOS is to be installed BackyardEOS User s Guide H Destnaton path wil be created tf does not exist C BackyardeOSv2 H Ci 9 Extract and replace files l Extract and update fles Fresh existing files only f Overwrite mode 9 Ask before overwrite 5 Overwrite without prompt F Skip existing files Rename automaticaly Miscellaneous Extract archives to subfolders Keep broken files Display files in Explorer 5 Click OK The extraction progress dialog is displayed 6 When the extraction has completed the extraction dialog window has closed locate the BackyardEOS license file and copy it to the folder where you installed BackyardEOS 7 You can start BackyardEOS from the folder or continue on to the next section to create a Backyard EOS desktop shortcut te bt 14 ls bi bi bi it be bi ai BYEOS Documentation Project CCD Commander Config Ms Content Manager Create a BackyardEOS Desktop Shortcut If you would like to create a desktop shortcut to start Back yard EOS execute the following steps 1 Open a Windows File Explorer dialog and locate the Back yard EOS exe executable file where you installed
40. ry Capture Plan The Planetary Capture Plan provides functionality similar to the Image Capture Center The method for planetary recording 1s as follows 1 Make sure your camera is turned on and is connected Click the Planetary button in the upper left corner of the main screen 3 In the Planetary Plan Center area select the Shutter the default is BULB There are additional choices based upon the features of the camera model 38 BackyardEOS User s Guide Planetary Capture Plan 4 Select the ISO setting The default is ISO 1600 MIN There are many other choices based upon the ee camera model 5 Select the Aperture setting The choices available are based upon the camera model and lens 6 Select the White Balance setting The default 1s automatic 7 Select the Temperature value The default is 5200K The color temperature 1s setting is invisible for cameras that do not support it For those that do it s visible but enabled only when Color Temperature is selected Enter the Target Name 9 Select the Maximum value for this session The default is 100 a 10 Click Record There are two major factors that affect FPS 1 Your computer CPU speed 2 The camera model BackyardEOS limits each AVI file to a maximum size of 2GB This maximum value is fixed at 2GB and is not configurable In addition BackyardEOS uses the DIB codec it s a lossless compression codec so there 1s no loss of data Duri
41. ss to the ASCOM Plugin Center e Daylight and night time screen modes e Access to the program configuration settings dialog Weather Area This area displays the current weather information depending on its configuration Progress Wheel amp Abort The Progress Wheel displays in progress exposure information 1 e exposure number current seconds into an exposure frames per second fps reading etc The Abort button provides the ability to terminate an exposure or recording session Imaging Center The Imaging center area provides information about the current capture plan allows setup and changes to a capture plan 13 BackyardEOS User s Guide Settings This section describes each of the settings provided by BackyardEOS To access the settings dialog click the Setting icon Weather Center The Settings dialog below 1s displayed oengs image Capture ste ctarget gt _drametype gt _ lt duration gt s_ lt iso gt iso_dstop gt _cte wnioad folder C Astrolmages TEMPerHUM Fahrenhet Image Capture The Image Capture settings section provides the ability to configure the following Filename Convention temp late Captured image file download folder Captured image file download sub folders Imaging Filter name list Add EXIF data Save captured files to either the computer or the computer and the Camera Card Set the quality of the captured images RAW RAW JPEG Display the Progress Center as a large displ
42. total number of Live View images to be captured For planets use the in camera 5x zoom feature to enhance viewing Place the zoom rectangle where your object is and click to zoomand lock on its position Settings are dependent on the existing capabilities of your EOS digital camera Drift Align Mode The Drift Align Mode allows you to record the drift error by stacking live view frames over a period of time typically between 2 to 10 minutes It all depends on how accurate your initial mount alignment 1s Uses Live View It works by stacking live view frames over time leaving a star trail behind Current image stack with star trail is always visible First frame is always visible as a reference point Rotatable crosshair for proper east west and north south orientation Adjustable crosshair width No predefined drift period let it run for as long or as short as you need BackyardEOS User s Guide Supported Cameras BackyardEOS supports the following Canon EOS cameras that support long exposures using only a USB cable e EOS 1Ds Mark Uli e EOS 1Ds Mark III e EOS 1D Mark III e EOS 5D Mark II e EOS7D e FEOS 20D e EOS 30D e EOS 40D e EOS 50D e EOS 60D e EOS 350D XT e EOS 400D XTi e EOS 450D REBEL Xsi e FEOS 500D REBEL Tli e EOS 550D REBEL T2i e EOS 600D REBEL T3i e EOS 1000D REBEL XS e POS 1100D REBEL T3 Here 1s a snapshot of the cable which comes with the Canon E
43. v aciovincvencinesisesedneraseriacreets 4 EE d 29 Bahtinov mgsk cc ceeeccceseecceeeceeeee 5 DD A E 7 BULD EE 4 24 29 camera mode uscar 4 23 24 CADA raspa 5 6 o eieiei nesar 4 5 13 17 24 29 ACU S AMS ener el 4 29 COMMUNICATE rien 4 EE 4 6 6c 0 e testo 6 27 A 4 16 17 DIST sacras 4 16 17 Riet 21s Deere ene ee eee 2 4 6 Aleng OE ioi AEAEE 6 o XA 6 Eclipse bramung 28 E d VE 2 4 10 21 28 EXIF Data 28 exposure CUA TIO Dear 4 POSI reso 4 6 7 24 field of A 5 A 28 A 27 28 E MA 28 Fit Zuom eens 27 28 10010 oe en 4 5 9 15 23 Frame amp Focus 2 3 4 5 9 23 29 Frame amp Focus Mode 2 4 5 9 UM Se csenseaematseuteseaneneaset 5 6 14 15 20 A A 27 FWHM ernennen 2 5 14 15 eege 27 O A A 5 A 4 Image Action buttons 2 AAA LL O 46 Image Name ooooooccccnnccnnnnnoocccnnnnnnnnnnos 28 image A A Image Size 00 0000000 28 A 2 4 10 16 23 Imaging Mode 2 4 16 imaging session 4 9 24 25 26 28 SE 4 5 12 13 14 24 rss 3 4 5 9 29 PA APA 2 5 6 7 14 15 23 As so sacs sentences ASA 4 EE 4 mount alignment arias 6 ONO ea A EA E 5 Netbooks escasos tios 5 8 A Ree 6 PAD A 2 4 15 16 17 EEN 2 4 5 20 Presentation ooonccccnncccnnnocccnniccnnno 21 A teeccnn seca 4 29 A 4 10 13 25 LA 4 SCLISOL nnere sia 4 12 21 24 SUIS arcano tela 4 29 a y EE 4 Stack A 6 16 SE E 6 pg An 4 Target Name 5 11 13 24 COMPU as 4 11 12 18 21 A E 28
44. ve View does not bring the computer to a halt trying to process and display live view images The default Throttle setting is 50 milliseconds Reducing the Throttle value and Live View Is faster but it will also consume more processor time FWHM Average Full Width Half Maximum is the width of a star s image at half its peak Focus is achieved when you get the lowest value for the same star over time indicating a tighter star The FWHM Average slows down the FWHM calculation by averaging the last x frames used to calculate the FWHM in frame in focus It prevents the numbers from varying up and down rapidly and as a result acts as a type of a filter for poor seeing The default setting is 10 frames 19 BackyardEOS User s Guide PHD Guider For those that utilize the PHD Guiding system this settings configuration area provides the means to enable and set the operating parameters for how BackyardEOS interacts with PHD Guiding during your images sessions Those settings are PHD Dither at start up Dither aggressiveness Settle dither at calm down period Dither every X images Dithering is the process of moving the image s location across images The result is that the noise generated by the camera will be in different location for ALL of your images When you stack your images the noise will be taken out more efficiently because it s never at the same location Without dithering you end up stacking your noise and dark subtr
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