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| Aperture of main mirror: 2160mm
Focal ratio of main mirror: f/3
Focal ratio of Coude focus: F/45
Focal length of Coude focus: 97200mm
Scale at Coude focus: 1mm=2.12arcsec | SITe
1024 UVAR thinned back illuminated
Format : 1024X1024pixels
Pixel size : 24X24¦Ì
chip size : 24.6mmX24.6mm |
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| Aperture of main mirror: 1.0m
Focal ratio of main mirror: f/8
Scale at Cassegrain focus: 25.8arcsec/mm
Focus Number: 2 | PI VersArray 2048B, 2KX2K, 13.5X13.5¦Ì
12X12¡¯ FOV, 0.35¡±/pix @f/8
16X16¡¯ FOV,0.46¡±/pix @f/6
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| Optics: LOMO 80cm Cassegrain f/10, Astro-Sital
Field Corrector: 120mm (51arcmin) field diameter, 2-lens, airspaced, 80% of eng. in <20¦Ì, d=100mm field
f/5 Reducer: 40mm (17arcmin) field diameter, 4-lens corrector with CaF2-Element, 80% of eng in <20¦Ì, d=40mm field
Mount: Equatorial fork mount w/friction drive
Pointing accuracy <30 arcsec RMS for altitudes > 25¡ã(14¡±.05 )
Guiding accuracy <2¡° RMS in 10 minutes (~1¡± over 15min)
Automatic control via remote computer
Off-Axis-Guider: full 120mm diameter
Guidescope: 150mm, f/15
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Presently:
PI VersArray1KB, 1KX1K, 13¦Ì
5.7X5.7¡¯ FOV, 0.26¡±/pix @f/10
11.4X11.4¡¯ FOV, 0.67¡±/pix @f/5
Near Future: PI VA1300B
11.2X11.2¡¯ FOV, 0.52¡±/pix @f/10
22.3X22.3¡¯ FOV, 1.03¡±/pix @f/5 |
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| Optics: LOMO 50cm Cassegrain f/8, Astro-Sital
Optical quality: 80 % energy in 0,015 mm (imagecircle 8.6arcmin), 80% energy in 0,03 mm ( 17.2arcmin), 80% energy in 0,06 mm (30arcmin )
0.6X Reducer: f.l. 2400mm, 86¡±/mm,
Performance: 80% in < 0.02mm for 400nm< lmd <700nm over 50arcmin field
Field Corrector: f.l. 4100mm
Performance: 80% in <0.030mm for 400nm< lmd <700nm over 67arcmin
K100 Ger. mt. w/friction drive on both axes
Pointing: <35 arcsec RMS for >20o altitude
Blind guiding: <1.5 arcsec RMS for >20o over 5 min
Guiding: <0.5 arcsec RMS w/ offset guider over 20 min
| PresentlyPI VersArray512B, 24¦Ì
10.6X10.6¡¯ FOV, 1.24¡±/pix @f/10
17.6X17.6¡¯ FOV, 2.06¡±/pix @f/6
Near Future PI VA1KB
11.4X11.4¡¯ FOV, 0.67¡±/pix @f/10
19.1X19.1¡¯ FOV, 1.12¡±/pix @f/6
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| Aperture: 850mm
Focal ratio: f/15
Focal plane scale: 16.2"/mm
| 3-ch photometer
4-ch photometer
Apogee AP7P CCD photometer |
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| Effective field of view: about 20 arcsec
Diameter: 80cm
Effective focal length: 8m
Filters: UBVRI broad band filters and a clear one
| PI 1k (14mu, 1024 x1024) pixel scale is 0¡±.3. FOV is 5 arcmin x 5 arcmin
PI 1300 (20mu, 1340x1300) pixel scale is 0¡±.43. FOV is 9 arcmin x 9 arcmin |
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Aperture of main mirror: 60cm
Focal length: 2292mm
Focal ratio of main mirror: f/3.82
Corrected
Focal length: 2583mm
Focal ratio: f/4.23
Focal ratio of Cassegrain focus:f/15
Focal plane scale: 1mm£½81".27
Effective field of view after corrected: 50 arcsec
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