Mounting of telescope: equatorial fork Main mirror: elliptical, 1.00 m Secondary mirror: spherical, 0.31 m Tube: Serrurier truss Equivalent focal length of system: 8.45 m Effective aperture ratio of system: f/8.45 Field of View: 9.9' x 9.9' CCD camera body: SBIG ST-8 with water cooling option Chip: KAF-1001e Pixel size: 24 10^-6 m x 24 10^-6 m Quantum efficiency: 72% (in 575 nm) Dark current: 9 e/pix/s at 0 Celsius Readout noise: 14.8 e Gain: 2 e / ADU Filter: V-band Telescope control system: PC Mounting : incremental encoders, pinion drive, stepper motors (one for each axis) Average sky background brightness in tuorla: 17 mag / square arcsecond in V band Estimated brightness limit (3 sigma detection): 20 mag in V band Last modification: 2000 |