NPZ TAL-150K Instruction Manual Download

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Novosibirsk Instrument-making plant, FSUE PA

D. Kovalchuk 79/2 novosibirsk,

630049 ruSSIAn FEDErATIOn

Fax +7 3832 26594

[email protected];

www.npzoptics.com

Summary of Contents for TAL-150K

Page 1: ... TAL TELESCOPES TAL 150K TAL 200K TAL 250K Instruction manual ...

Page 2: ... Novosibirsk Instrument making plant FSUE PA D Kovalchuk 179 2 Novosibirsk 630049 RUSSIAN FEDERATION Fax 7 3832 261594 prinsib sol ru www npzoptics com ...

Page 3: ...scope 14 Power supply and hand controller 15 Polar alignment 17 Calibrating the setting circles 18 Observations 19 Visual observations 19 Astrophotography 21 Maintenance 22 Collimation alignment of the optics 24 Storage 26 Acceptance certificate 27 Appendix A Brightest stars visible in the Northern Hemisphere 28 Due to continuous product improvements specifications are subject to change without no...

Page 4: ...tography It requires careful treatment and some knowledge of astronomy Only in this case the use of telescope will bring satisfaction to its owner The telescope may be used at an ambient temperature ranging from 30 to 30 C 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 t...

Page 5: ...rture mm Focuser Right ascension turning angle Declination turning angle Latitude adjustment range Input voltage V AC Frequency Hz Power Watts Output voltage V Dimensions mm OTA length Telescope height OTA weight kg Telescope weight kg 150 1550 1 10 3 62 124 155 310 0 8 12 8m 6 30 1 25 360 24h 90 0 70 220 50 5 12 DC 425 1350 6 2 25 TAL 250K 200 1700 1 8 5 68 136 170 340 0 6 13 4m 8 50 1 25 360 24h...

Page 6: ...wer supply Hand controller Power cord 10 m Spare parts and accessories Plossl eyepiece f 10mm Plossl eyepiece f 25mm 2x Barlow lens Reticle Plug for photographing T adapter M42x0 75 Instruction manual Optional accessories Equatorial mount MT 3S 2D with counterweights 3 0 kg 1 unit 3 0 kg 2 units 4 5 kg 1 unit Tripod Plossl eyepieces 1 25 f 6 3mm f 7 5mm f 12 5mm f 17mm f 20mm f 32mm f 40mm TAL 150...

Page 7: ... 20mm 2 f 24mm 2 f 25mm 2 3x Barlow lens Guide eyepieces 12 5mm 1 25 Off axis guider 2 Color filters M28 5x0 6 black neutral yellow blue red green Color filters M48x0 75 black neutral yellow blue red green Plug 1 25 Plug 2 Power cord extension cable with car adapter 10m Component TAL 150K TAL 200K TAL 250K ...

Page 8: ...y mirror 1 pass through the corrector lenses 2 and 3 and having reflected from the smooth surface of the lens 3 go back through corrector forming the object s image at the focal plane of the eyepiece 4 For comfort observations of celestial objects close to zenith eyepiece unit is inclined on 90 relatively to the optical axis of the telescope with help of flat diagonal mirror 5 A standard set inclu...

Page 9: ... provide the smoothness of TAL 150K and TAL 200K telescopes focusers hold the left focus knob 1 with one hand and turn the right focus knob 2 clockwise with a little effort with other hand Fix the position of the focuser if necessary using the same procedure The lens focusing mechanism of TAL 200K and TAL 250K has friction type It includes the axis with the handweel 1 with the help of which moves ...

Page 10: ... objects with user defined speed The speed is set by a hand controller and has three tracking rates solar lunar and stellar as well as two additional correction speeds acce leration and deceleration at 50 Hand controller has a night light lamp For the first sight in on the object loosen the telescope s Dec and R A locks 2 and move the telescope to center an object in the field of view Thefinealign...

Page 11: ...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 For comfort observing it is equipped with an accessory shelf 1 ...

Page 12: ...n 3 to be on the pier lines up with the azimuth adjustment knobs 2 Turn the handle 1 clockwise to fix the mount on the pier tightly Make sure there is no wobbling of the mount on the pier Thread the counterweight shaft 2 into the base of the Declination axis 6 oftheequatorialmountand fix it with the lock nut 5 Unscrew the safety washer knob 1 and slide the counterweight 3 to the midpoint on the co...

Page 13: ...e finderscope with six thumbscrews 2 Place the polar axis in the horizontal position 0 onthelatitudedial using the width adjustment mechanism 1 with the loosen slow motion control 2 Enable unrestricted motion of the polar axis with R A lock released Slide the counterweights along the counterweight shaft until they counterbalance the OTA Fix the polar axis Balancing the telescope To provide a smoot...

Page 14: ...nt the telescope at the distant object at least 400meters yards away and then center it in the teles copic field of view using the reticle Fix telescope in this position with the R A and Dec locks 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 equipp...

Page 15: ...cket using the power cord Plug in the power supply into the 220 110 V AC power outlet Place the switch of the power supply in the l position The LED light on the power supply should turn on Connecthandcontrollertothemount with the special cutoff point 1 Power supply and hand controller Warning Always connect power supply to the mount using the power cord with power supply disconnected from the pow...

Page 16: ...utton 2 at the same time the LED 1 must light up The drive switches off with pushing the button again To correct the speed of monitoring by two axes push and hold one of the corresponding buttons 3 with continuously working drive at the same time the one of LED of correcting speed 5 must blink Choose the correct speed 0 5 1 4 16 with the button 4 If the telescope is used in the Southern hemisphere...

Page 17: ...MT 3S 2D mountequipped 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 hemi sphere and stars of the Octans constellation for the southern hemisphere Polar alignment Due to the Earth s rotation celestial objects move in the telescope field of view the...

Page 18: ... 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 calibra tion by selecting next star 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...

Page 19: ... also blurring and distortion of the image star twinkle caused by atmosphere become more significant To achieve maximum stability of the visible image and best performance of the telescope all parts of the telescope need to reach thermal equilibrium with the ambient air Please note that some nights could have bad observation conditions because of the atmospheric turbulence Even observing fine Moon...

Page 20: ... Plossl f 10 mm 62х 155х TAL 200K Plossl f 25 mm Plossl f 10 mm 68х 170х TAL 250K Plossl f 25 mm Plossl f 10 mm 85х 213х TAL 150K Plossl f 25 mm 2x Barlow lens Plossl f 10 mm 2x Barlow lens 124х 310х TAL 200K Plossl f 25 mm 2x Barlow lens Plossl f 10 mm 2x Barlow lens 136х 340х TAL 250K Plossl f 25 mm 2x Barlow lens Plossl f 10 mm 2x Barlow lens 170х 426х ...

Page 21: ... plug 2 to 1 25 1 in the camera 2 Place camera with a plug in ocular tube 3 and fasten with screw 4 Precise guiding can be done with an off axis guider or a guide telescope sold separately Use slow motion controls and buttons of hand controller to avoid shifting of the star from the reticle To minimize such adjustments and for better photography quality more precise polar alignment is required Mou...

Page 22: ...lescope adjustment Improper cleaning can scratch mirror coatings so one should use blower bulb or special brush to remove dust from their surfaces Use the cotton cloth wetted with the pure spirit alcohol without pressure to clean the mirror surface and then rinse the mirror under a stream of water Maintenance In order to keep telescope in good operating condition one should provide good care and m...

Page 23: ...inting is not reco mmended Use only quality optical lens cleaning tissue and optical lens cleaning fluid specifically designed for multicoated 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 ...

Page 24: ...ree screws 2 rotating them in the direction needed Attention Do not remove all 6 screws to avoid the primary mirror falling Collimation alignment of the Optics Collimation alignment of the optics is permitted only in case of absolute necessity and after expiration of manufacturer limited warranty In case of accidental mirrors misalignment or after cleaning optical parts telescope collimation might...

Page 25: ...st diffraction ring is allowed only The diffraction image is achieved tightenall6screws whileobserving and correcting the diffraction image if needed Set the ring back If the weather does not allow getting the clear diffraction image of the star make the adjustment orienting on slightly out of focus image but the energy should be spread equally around the kernel ...

Page 26: ...dust free place with an ambient temperature between 5 and 40 C Avoid collision and shaking of the telescope 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 ...

Page 27: ...e certificate Telescope ____________ serial ___________ Equatorial mount serial _____________ Passed the product approval and found serviceable Manufacturing date __________________ Signatures _____________________ ...

Page 28: ...us Orion Auriga Orion Canis Major Gemini Canis Major Gemini Leo Ursa Major Ursa Major Ursa Major Ursa Major Ursa Major Virgo Ursa Major Bootes Lyra Aquila Cygnus 2 07m 2 07m 1 97m 1 79m 0 87m 0 18m 0 08m 0 45m 1 44m 1 58m 0 40m 1 16m 1 36m 2 34m 1 81m 2 41m 1 76m 2 23m 0 98m 1 85m 0 05m 0 03m 0 76m 1 25m 29о 05 35о 37 89о 15 49о 51 16о 30 8о 12 45о 59 7о 24 16о 42 31о 53 5о 13 28о 01 11о 58 56о 22...

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