BEST - Specification

	BEST	BEST II
Telescope	Flat-field-camera (Lichtenknecker)	Takahashi BRC-250
Instrument	CCD: AP 10 Thomson THX899M (Apogee)	FLI ProLine 16801 CCD
Cooling	Thermoelectric with air	Thermoelectric
Aperture	200 mm	250 mm
Focalratio	F/2.7	F/5.0
Size	2048 x 2048	4096 x 4096
Pixel size	14 µm	9 µm
Pixel scale	5.5 arcsec/pixel	1.5 arcsec/pixel
Field of view	3.1 degrees	1.7 degrees
Precision	< 1 % (14 mag)	< 1 % (V < 15)
Mounting	M 100B German equatorial	GM 4000 (10 Micron) German equatorial
Guiding	FS 2 (Astro Electronic)
Tracking	CCD: ST-4 (SBIG)	CCD: ST-1603 ME (SBIG)