DATE|2020-01-01|Date this file was written
FILENAME|CSST_01_999999|Name of file
FILETYPE|zero|Type of data
EXPNUM|99999999|Exposure sequence number
TARGNAME|CSST_|Observation title
RADECSYS|FK5|Default coordinate system
RADECEQ|2000.0|Default equinox
RA|00:00:00.00|RA of observation (hr)
DEC|+00:00:00.00|Dec of observation (deg)
EQUINOX|2000|Epoch(year)
TIMESYS|UT|Time system
DATE-OBS|2020-01-01|UTC date of start of observation
TIME-OBS|00:00:00|UTC time of start of observation
EXPTIME|0.000|Exposure time (sec)
MJD-OBS|58849.00000|MJD of observation start
MJDSTART|58849.00000|MJD of observation start
MJDEND|58849.00000|MJD of observation end
ST|16:32:58|Sidereal time
TELESCOP|CSST|Telescope name
TELRADEC|ICRS|Telescope coordinate system
TELEQUIN|2000|Equinox of tel coords
TELRA|00:00:00.00|RA of telescope (hr)
TELDEC|00:00:00.00|Dec of telescope (deg)
TELFOCUS|-9999|Telescope focus
SUNANGLE|30.00|Angle between sun and direction 
MOONANGL|30.00|Angle between moon and direction
SUN_ALT|30.00|Sun altitude 
REFFRAME|GSC1|guide star catalog version
INSTRUME|MBI|Instrument used to acquire data
DETSIZE|[1:9232,1:9216]|Detector size
NUMDETE|1|Number of detectors
NUMAMPS|4|Number of amplifiers
PIXSCAL1|0.074|Pixel scale for axis 1 (arcsec/pixel)
PIXSCAL2|0.074|Pixel scale for axis 2 (arcsec/pixel)
SHUTSTAT|closed|Shutter status
DETETEMP|-100.00|Detector temperature
CHECHSUM|abcdefg|checksum of global headers
ITL-HEAD|OK|ITL Header flag
N-AMPS-X|2|Number of amplifiers in X
N-AMPS-Y|2|Number of amplifiers in Y