1 telescope taË-100rs (taË-100rst) service manual.
2 3 contents page 1. General directions 3 2. Specifications 4 3. Standard equipment 5 4. Design and principle of operation of telescope 9 5. Optical train 9 6. Preparation for operation 11 6.1. Telescope assembling 11 6.2. Telescope balancing 11 7. Order of operation 12 7.1. Operation with telescope...
4 5 2. Specifications diameter of objective lens 100 mm focal length, 1000 mm focal aperture 1:10 magnifications and angle field of view (changeable): -with the eyepiece f'=25 mm 40 x 1° -with the eyepiece f'=6.3 mm 155 x 0°15 ¢ resolution limit 1.4 ² limiting magnitude 12 m range of slow-motion con...
6 7 fig. 1. General view: 1 - telescope tube; 2 - optical findescope; 3 - eyepiece set; 4 - nut; 5 - supports; 6 - pier; 7 - equatorial mounting fig. 2. General view of telescope mounted on tripod: 1,2 - stoppers; 3 - table 1 2 3 4 5 6 7 1 2 3.
8 9 fig. 3. Equatorial mounting: 1 - polar axis; 2 - screw of axis brake; 3 - folding clips; 4 - handwheel of micrometer screw of polar axis; 5 - declination axis; 6 - circle of declination; 7 - counterweights; 8 - hendle; 9 - bracket with scale of latitudes; 10 - circle of hour angles 4. Design and...
10 11 fig. 4. Optical train: 1 - achromatic objective lens; 2 - diagonal mirror; 3 - eyepiece; 4 - finderscope for easy observation of celestial objects near by zenith an eyepiece set of telescope turned to optical axis by 90° with the help of plane diagonal mirror 2. If it is necessary one should u...
12 13 7. Order of operation 7.1. Operation with telescope before mounting the telescope it is required to choose the place and prepare the site. It must be even and solid. Mount the telescope on the site and check it for tenable stability. After mounting the telescope it is required to set paralleli...
14 15 the exposures, which are required for photographing the star fields, are tenths of minutes without interference of the street lighting. Therefore, for this period of time one should see to it that the camera follows the sky precisely in its diurnal rotation. Near the center of the field of vie...
16 17 8. Maintenance for faultless operation the telescope should be kept in cleanness and protected against mechanical damage. The metal surfaces are periodically dusted by using clean soft napkins, then wiped with a napkin impregnated with acidless vaseline, after that with a dry napkin. The lense...
18 supplement table of close stellar pairs for testing image quality of the telescope a psc 1 h 59.4 m +02 ° 31 4.3-5.3 1.9 pisces g cet 2 h 40.7 m +03 ° 02 3.4-4.4 2.8 cetus x ori 5 h 38.2 m -01 ° 58 2.0-4.2 2.5 orion a gem 7 h 31.4 m +32 ° 00 2.0-2.8 1.8 gemini e hyd 8 h 44.1 m -06 ° 3...
