TELESCOPES - NPZ Optics State Corp.
Contents
1. Using latitude adjustment knob 2 move R A axis up or down in order to set the latitude of your location see latitude dial U Re tighten the latitude lock 1 17 e Q For visual observations point the R A c s Polaris olar axis of the telescope towards oh PA O Polaris a UMi See the picture With this level of pointing accurary very little use of the Dec slow motion control is necessary for celestial objects tracking Less correction is required when polar alignment is done more precisely U More precise polar alignment is required for astrophotography LI MT 3S mount equipped with a polar axis finder scope 1 for precise polar alignment with a reticle illumination The reticle also has major stars of the Ursa Minor constellation including Polaris depicted for the Northern hemisphere and stars of the Octans constellation for the Southern hemisphere O Match stars depicted on the reticle with the celestial objects in the sky using azimuth 2 and latitude 3 adjustment knobs and rotating the polar axis finder scope around its axis O For MT 1 and MT 1C mounts use precise polar alignment procedure described in Appendix B 18 CALIBRATING THE SETTING CIRCLES R A and Dec axes have setting circles which enable observer to locate an object in the sky by its celestial coordinates right ascension R A and Declination Dec Calibration of setting circles is done after polar alignme2. trickles away owab remaining water drops from the surface with a dry cloth edge To clean the secondary mirror use the same procedure Use only quality optical lens cleaning tissue and optical lens clean ing fluid specifically designed for multi coated optics to clean your eyepieces and finderscope Keep the dust cover on the front of the telescope and the end cap on the focuser tube when not in use 25 COLLIMATION ALIGNMENT OF THE OPTICS Collimation alignment of the optics is permitted only in case of absolute necessitv and after expiration of manufacturer limited warrantv In case of accidental mirrors misalignment or after cleaning optical parts telescope collimation might be necessarv Q To inspect the view of the mirror collimation look down the fo cuser drawtube with the evepiece and the Barlow lens removed If optics are properly aligned you should see the secondary mirror centered in the drawtube as well as reflection of the primary mirror centered in the secondary mirror and the reflection of the second ary mirror and your eye centered in the reflection of the primary mirror see picture Q During the collimation process the primary and or secondary mirror will need alignment If the reflection of the primary mirror is not centered in the secondary mirror aligning of the secondary mirror is required Loosen the central screw of the secondary mirror holder 1 and use the three alignment screws 2
3. vellow blue red green Power cord extension cable with car adapter CONSTRUCTION OF THE TELESCOPE Q The telescope consists of three main parts Optical tube assembly OTA 1 German equatorial mount 2 A pier or tripod 3 The optical tube is a basic component of the telescope It includes all main optical units such as a primary mirror a diagonal mirror and a focuser QA Newtonian Reflectors Teles cope parallel beams of rays enter the tube of the telescope and is projected at the focal plane of the eyepiece 3 with the help of primary 1 and diagonal 2 mirrors QA standard set includes two evepieces and a Barlow lens which allow observing celestial objects with various rate of magnification Q The OTA supplied with a finderscope makes searching for celestial objects easier Q The primarv mirror is fastened in a cell and installed in a tube Q The diagonal mirror is flat It is glued to the holder and fixed inside of the OTA with the help of four vane spiders Both mirrors are made of a high quality optical glass with high reflection aluminum coatings with protecti ve level 9 10 Q The eyepiece unit includes a focuser with an evepiece tube O Focuser consists of rack and pinion The pinion axis has fo cus knobs which help move the evepiece tube in order to focus telescope Q To provide the smoothness of TAL 1 telescope focuser hold the left focus knob 1 with one ha
4. For comfort observing it is equipped with an accessory shelf 1 PREPARING TELESCOPE FOR OBSERVATIONS ASSEMBLING THE TELESCOPE U Take a pier 1 and legs 2 out of the package Attach tightly three legs to the bottom point of the pier using the captive screws The pier must not swing on the legs U Place the pier on a firm plain surface Li Take the equatorial mount and place it on the top of the pier Li When using MT 3S orient equatorial head so that the pin 1 on the pier lines up with the azimuth adjustment knobs 2 Q Turn the handle 3 clockwise to fix the mount on the pier tightly Make sure there is no wobbling of the mount on the pier Q Thread the counterweight shaft 2 into the base of the Declination axis 6 of the equatorial mount and fix it with the lock nut 5 Unscrew the safety washer knob 1 and slide the counterweight 3 to the midpoint on the counterweight shaft and secure it in place with the lock knob 4 Screw back in the safety washer knob 1 which will not let the weight slide entirely off the counterweight shaft if slipped Fix the tube rings 7 on the mounting plate and lay the OTA in the rings 13 BALANCING THE TELESCOPE Q Place the finderscope bracket 1 in the wedge slides for TAL 2 TAL 150P and TAL 150P8 telescopes Tal 1 and TAL 1M telescopes have finderscope bracket mounted directiv on the OTA Fix the finderscope with six thumbscrews 2 To provi
5. have to lower the top end of the telescope to follow it then the northern upper side of the R A polar axis of the mount should be slightiv lifted up If vou have to lift up the top end of the telescope to follow the star in the east during the observation then the northern upper side of the R A polar axis of the mount should be slightiv lowered down For the precise azimuth adjustment follow the same procedure to observe a bright star on a celestial meridian in the south If during the observation the star slowlv shifts so that vou have to lower the top end of the telescope to follow it then the northern upper side of the R A polar axis of the mount should be slightly moved west If you have to lift up the top end of the telescope to follow the star in the south during the observation then the northern upper side of the R A polar axis of the mount should be slightly moved east After 20 30 minutes of such observations and adjustments it is possible to achieve a precise polar alignment when any observed star would stay on the intersection of the crosshairs reticle of the eyepiece for 10 15 minutes without additional correction needed on the Dec axis 29 Appendix B Double stars list for telescope image qualitv test Coordinates Declination 2000 0 Constellation Visible distance 02 45 Pisces 03 14 Cetus 01 56 Orion 31 53 Gemini 06 25 Hydra 36 48 Lynx 27 04 Bootes 54 30
6. in position Q Turn on the mount clock drive by placing the second switch in T position The LED light on the power supply should turn on Q Connect hand controller to the mount and place the left switch in position see picture U Press one of the speed buttons 1 to start the clock drive The LED light on the hand controller should turn on 2 Push the same button again to stop the clock drive Q Press one of the two speed correction buttons 3 while clock drive is working if necessary The LED light on the hand controller should blink 2 while button is pressed down O For MT 3S mount connect the hand controller to the socket 1 Then follow the same procedure as for MT 1C mounts O If the telescope is used in the Southern hemisphere the directi on of the clock drive rotation must be changed Q For MT 3S mount open the hand controller cover and place the inside switch with N S North South markings in the required position POLAR ALIGNMENT Due to the Earth s rotation celestial objects move in the telescope field of view the higher telescope magnification the faster those mo vements appear Polar alignment of the telescope allows more comfortable obser vations because you can follow objects by moving the telescope about one axis the polar axis or Right Ascension R A axis which is in parallel with the Earth s axis See Appendix A for details U Release the latitude lock 1
7. to center the reflection of the primary mirror in the secondary mirror O If the primary mirror is misaligned the reflection of the secondarv mir ror with spider vanes will be out of center L For TAL 1 and TAL 1M collimation loosen the three small screws that lock the primarv mirror 1 Then adjust the tilt of the primarv mirror using larger adjustment thumb screws 2 so that the reflection of the secondarv mirror is centered Fix the mirror position after collima tion is done QUse analogous procedure to collimate TAL 2 TAL 150P and TAL 150P8 telescopes 2 STORAGE O The telescope must be kept in a clean dry humidity must not ex ceed 809 dust free place with an ambient temperature between 5 and 40 C O Avoid collision and shaking of the telescope Q It is prohibited to store acids alkalis and any chemically active substances which may produce evolved gas or vapor harmful for the optics at the same place with the telescope ACCEPTANCE CERTIFICATE Telescope serial Equatorial mount serial Passed the product approval and found serviceable Manufacturing date Signatures 28 Appendix A Precise polar alignment for the MT 1 and MT 1C mounts For precise polar alignment for MT 1 and MT 1C mounts observe two bright stars in the west and in the east by turns using the evepiece f 25mm with reticle If during the observation of the star in the east it slowlv shifts so that vou
8. Draco 02 30 Ophinchus 45 07 Cygnus 30 Appendix C Brightest stars visible in the Northern Hemisphere Alpheratz Mirach Polaris Mirfak Aldebaran Rigel Capella Betelgeuse Sirius Castor Procvon Pollux Regulus Merak Dubhe Phecda Alioth Mizar Spica Alkaid Arcturus Vega Altair Deneb Constellation Andromeda Andromeda Ursa Minor Perseus Taurus Orion Auriga Orion Canis Major Gemini Canis Minor Gemini Leo Ursa Major Ursa Major Ursa Major Ursa Major Ursa Major Virgo Ursa Major Bootes Lvra Aquila Cygnus 2000 0 29 05 35 37 89 15 49 51 16 30 8 12 45 59 7 24 16 42 31 53 5 13 28 01 11 58 56 22 61 45 53 41 55 57 54 55 11 09 49 18 19 10 38 47 8 52 45 16 Declination Visible magnitude
9. Frequency Hz Power Watts Output voltage V Dimensions mm OTA length Telescope height OTA weight kg Telescope weight kg Optical Tube Assembly INVENTORV LIST TAL 1 TAL IM TAL 2 TAL 150P TAL 150P8 Telescope Finderscope 6 x30 9 x50 Polar axis finderscope 6 x23 Equatorial mount MT 1 with counter weight 2 2 kg MT 1C with counter weight 2 2 kg MT 3S MT 3S 2D with counter weight 2 2 kg 2 units MT 3S MT 3S 2D with counter weight 3 7 kg 2 units Pier with legs C75 800 mm C110 770 mm Power supply direct current DC alternating current AC Hand controller for direct current for alternating current Power cord 10 m Spare parts and ac cessories Plossl eyepsiece f 7 5mm Plossl eyepiece f 10mm Plossl eyepiece f 25mm 2x Barlow lens Reticle Camera holder Plug for photographing l adapter M42x0 75 Sun projection screen Instruction manual Optional TAL 1 TAL 1M TAL 22 TAL 150P TAL 150P8 Optional accessories Tripod Pl ssl evepieces 1 25 f 6 3mm f 12 5mm f 17mm f 20mm f 32mm f 40mm Super wide angle eye pieces 1 25 f 10mm 60 f 15mm 65 f 20mm 65 Ultra wide angle eye pieces 80 f 15mm 1 25 f 20mm 2 f 24mm 2 f 25mm 2 3x Barlow lens Guide evepieces 12 5mm 1 25 Off axis guider 2 Color filters M28 5x0 6 black neutral vellow blue red green Color filters M48x0 75 black neutral
10. TELESCOPES TAL 1 TAL 1M TAL 2 TAL 150P TAL 150P8 Instruction manual NPZ Optics State Corp Novosibirsk Instrument making plant D Kovalchuk 179 2 Novosibirsk 630049 RUSSIAN FEDERATION Fax 47 3832 261594 prinsib Bsol ru www npzoptics com TABLE OF CONTENTS Page General instructions 3 Technical specifications 4 InVveHtory list oae sa VR DERE a a Bares an des 6 Construction of the telescope 8 Preparing telescope for observations 12 Assembling the telescope 12 Balancing the telescope 13 Aligning the finder scope 14 Power supply and hand controller 15 Polar alignment ue doek im oe e tfe 4444 e as 16 Calibrating the setting cireles 18 ObservationS L te ta CEDERE YE PE ER PATE RES eas 19 Visual observations eee 20 AstropnotograpDV xisicq qaaa perdiet a ach GE EARS 22 Maintenance ick ya p Pe LH D A Ce AC ROGER ORA 24 Collimation alignment of the optics 25 Storage 6425 Secaws 4 Siro KROZ AS me ME El v 2 Acceptance certificate 27 Appendix A Precise Polar alignment for the MT 1 and MT TE ROBES c aas a ck ocu 29 Appendix B Double stars list for telescope image quality test lll 31 Appendix C Brightnest stars vi
11. and 1 25 adapt ers from the focuser drawtube Screw the camera adapter into the focuser drawtube Attach the T ring T adapter to the camera and thread it onto the camera adapter O Mount the camera 2 O Precise guiding can be done with an off axis guider or a guide telescope sold separately 24 MAINTENANCE In order to keep telescope in good operating condition one should provide good care and maintenance for the instrument Please note that lens or mirror surfaces should be cleaned as infrequentiv as possible only when absolutelv necessary Optics self cleaning only permitted after expiration of manufac turer limited warranty U U DDLU Keep telescope clean and protect it from any physical damage Use a dry cloth to remove dust from all metallic surfaces The primary and the secondary mirrors of the telescope are front surface aluminized Improper cleaning can scratch mirror coatings so one should use blower bulb or special brush to remove dust from their surfaces opots of grease and smudges may be washed away To clean the primary mirror carefully remove the mirror cell from the telescope by loosening screws which hold it inside the OTA Do not remove mirror from the mirror cell Carefully wet the mirror surface with a lot of pure spirit alcohol using the cotton cloth Us ing the same cloth without pressure clean the mirror surface and then rinse the mirror under a stream of water Wait till the water
12. and its power supply after obser vations or to protect it from rain SNOW 20 VISUAL OBSERVATIONS Q Point the telescope at any chosen object and do some coarse adjust ments to put it in the finder scope field of view Then center the object using slow motion controls first in the finderscope and then in the main telescope field of view when observing through the eyepiece O Use focus knobs to focus when changing eyepieces Provided eye pieces give several magnification options for an observer TAL 1 TAL 1M Plossl f 25 mm Plossl f 10 mm TAL 150P Plossl f 25 mm Plossl f 7 5 mm TAL 2 TAL 150P8 Plossl f 25 mm Plossl f 7 5 mm 21 22 U U U m For higher magnification use Bar low lens with one of the eyepieces see picture 2 Barlow lens doubles magnification of the telescope TAL 1 TAL 1M Plossl f 25 mm Plossl f 10 mm 2 Barlow 2 Barlow TAL 150P Plossl f 25 mm Plossl f 7 5 mm 2 Barlow 2 Barlow Sun projection screen can be used for solar observations Place the screen on the counterweight shaft and fix it with a screw so that the widest part of the screen is opposite to the top point of the tube of the telescope Loosen the tube rings and rotate the OTA so that the evepiece is perpen dicular to the screen Fix the OTA in this position Attach a thick white paper sheet to the screen using clamps Use the f 25mm eyepiece to get an optima
13. de a smooth motion of the telescope and reliable operation of equatorial mount drives the balancing of the telescopes is required 14 Q Place the polar axis in the horizontal position 0 on the latitude dial LI Enable unrestricted motion of the polar axis with R A lock released Slide the counterweights along the counterweight shaft until they counterbalance the OTA Q For MT 1C mount polar axis balancing release each of the three screws 2 through the cover 1 Ui After telescope balanced fix the screws 2 so that the polar axis could not rotate LI Now with Dec lock released loosen the tube ring lock clamps and slide the OTA forward or back in the tube rings until balanced O Fix the tube ring lock clamps U Fix the Dec axis LI Repeat balancing each time when placing additional accessories on the telescopic tube such as photo and video cameras eyepieces guides and other devices which enlarge the weight of the OTA Keep in mind that if the telescope is not balanced properly the clock drive periodic error will increase ALIGNING THE FINDER SCOPE High magnification of the main telescope makes it difficult to find a required celestial object in the sky because of the small field of view This is why the telescope is equipped with a low power finder scope with a wide field of view The finder scope makes it easier to locate the object you want and then to observe it in the field of view of the tel
14. escope However for the proper use of the finder scope it must be aligned with the main telescope so that both the finder scope and the telescope point at the same position in the sky U Place the crosshair 2 into the eyepiece f 25mm 1 and then insert the eyepiece in the focuser tube 3 O Point the telescope at the distant object at least 400meters yards away and then center it in the telescopic field of view using the reticle Fix telescope in this position with the R A and Dec locks U Now looking through the finder scope and using the six alignment thumbscrews center the object on the intersection of the crosshairs of the finder scope In future check the co alignment of the telescope and the finder scope prior to observations 15 POWER SUPPLV AND HAND CONTROLLER Warning Always connect power supply to the mount using the power cord with power supply disconnected from the power outlet Use only original manufacturer s power supply fuse or analogue consult your dealer Always disconnect all the power if replacing the power supply fuse U Place the switch of the power supply in the 0 position Q Connect the power supply 12V output with the mount socket using the power cord OI Plug in the power supply into the 220 110 V AC power outlet Place the switch of the power supply in the I position The LED light on the power supply should turn on O For MT 1C mount place the left switch
15. l approximatelv 100 mm Sun image In order to change size brightness of the image move the screen along the counterweight shaft Use focus knobs for sharp ness regulation ASTROPHOTOGRAPHV Q For astrophotography with TAL 1 and TAL 1M telescopes mount a camera 1 on the camera holder 2 which is attached to the coun terweight shaft Fix the camera to the holder using the lock knob 3 Q As a long exposure is required for the astrophotography it is neces sary for a camera during this time precisely to follow the sky in its diurnal rotation O Place the crosshairs into the eve piece f 25mm attach the Barlow lens and then insert them in the focuser tube U Point the telescope at any bright star near the center of the camera field of view The star should stay in the reticle during the exposure time For more comfortable guiding bring the star a bit out of focus Q Use slow motion controls to avoid shifting of the star from the reticle To minimize such adjustments and for better photography quality more precise polar alignment is required 23 O For astrophotography with TAL 2 TAL 150P and TAL 150P8 tele scopes use the same procedure as described above However prime focus photography is also available when using M42x1 objective thread cameras M42x0 75 thread camera adapter is also supplied with the telescope O For the prime focus setup unscrew the objective lens from the camera and remove the 2
16. nd and turn the right focus knob 2 clockwise with a little effort with other hand U Fix the position of the focuser if necessary using the same pro cedure Q For telescopes TAL 2 TAL 150P TAL 150P8 the smoothness of the focuser can be adjusted with the help of four screws 1 The equatorial mount is designed for pointing the telescope at the celestial objects and tracking their movement O The equatorial mount consists of two axes square with each other the polar axis and the axis of declination There is a mounting plate with OTA rings on the top point of the declination axis and a counter weight shaft with counterweights on the other side It is possible to place all types of the mounts on a pier or tripod Different models of telescopes are provided with different mounts The mount MT 1 has manual slow motion controls on both axes and is used with TAL 1 telescope O For the first sight in on the object loosen the telescope s Dec and R A locks 1 and move the telescope to center an object in the field of view O The fine alignment is done by manual slow motion controls 2 within 4 on each axis O The polar axis is fixed in a tripod pier mounting head with a latitude dial MT 1C mount is equipped with a clock R A drive along with manual slow motion controls on both axes The clock drive enables tracking of celestial objects U For the first sight in on the object loosen the telesco
17. nt of the telescope Level the Dec axis put it in the horizontal position and by rotating R A setting circle put it in a O zero position see picture O For the Dec setting circle calibration find bright star from the star atlas and bring selected object to the center of the telescopic field of view Rotating Dec setting circle set the Declination of the star observed Correct Dec setting circle calibration by selecting next star 19 OBSERVATIONS When using higher magnification not only the visible image size ap pears larger in the telescope but also blurring and distortion of the im age star twinkle caused bv atmosphere become more significant O To achieve maximum stability of the visible image and best performance of the telescope all parts of the telescope need to reach thermal eguilibrium with the ambient air For better air circulation inside of the OTA the primary mirror cell has special holes TAL 1 telescope has an end cap which needs to be removed prior to observations see picture O Please note that some nights could have bad observation conditions because of the atmo spheric turbulence Even observ ing fine Moon surface details can be difficult O Avoid observations through a window because of the window glass aberrations and tempera ture differences between inside and outside air which will cause images to look blurred and dis torted Q Put a soft cover on the telescope
18. pe s Dec lock 1 and turn Dec axis to move the telescope in order to center an object in the field of view Q The fine alignment is done by manual Dec slow motion control 2 within 4 on Dec axis and R A slow motion control 3 embedded into the clock drive The design of the mount allows manual corrections without stopping the clock drive and also to use hand controller as an additional accessory tool 11 MT 3S mount is used with telescopes with primarv mirror diameter of 150mm and above The mount head has a clock drive embedded which enables tracking of celestial objects with user defined speed The speed is set bv a hand controller and has three tracking rates solar lunar and stellar as well as two additional correction speeds acceleration and deceleration at 50 Hand controller has a night light lamp O For the first sight in on the object loosen the telescope s Dec and R A locks 1 and move the telescope to center an object in the field of view Q The fine alignment is done by manual Dec slow motion control 2 on Dec axis and R A slow motion control 3 embedded into the clock drive The polar axis has embedded polar axis finderscope optional 4 and is fixed in a tripod pier mounting head with a latitude dial The pier serves for holding an equatorial mount with an OTA It consists of the tube and three attachable legs The tripod can be better used on a rugged terrain
19. sible in the Northern Hemisphere 32 Due to continuous product improvements specifications are subject to change without notice GENERAL INSTRUCTIONS Warning Never observe the Sun directy through your telescope or its finder scope permanent eye damage could result O The telescope is designed for visual observations of celestial objects and for astronomical photography It requires careful treatment and some knowledge of astronomy Only in this case the use of telescope will bring satisfaction to its owner Q The telescope may be used at an ambient temperature ranging from 30 to 30 C Q When buying the telescope inspect the package to make sure that the original packaging is in good condition and seals are not broken or missing Having opened the package check the presence of all components described in inventory list Q Read instruction manual first before using the telescope TECHNICAL SPECIFICATIONS Specification TAL 1 TAL 1M TAL 2 TAL 150P TAL 150P8 Aperture mm Focal length mm Mirror Surface Focal ratio Diagonal mirror diameter mm Telescope magnification x Resolving power Limiting visual magnitude Finderscope magnification x Finderscope aperture mm Focuser 125 2 125527 42552 Equatorial mount MT 3S Specification TAL 1 TAL 1M TAL 2 TAL 150P TAL 150P8 Right ascension turning angle Declination turning angle range Input voltage V AC
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