***Observing  Log***
SIMPLE  =                    T          / Proper FITS format used               
BITPIX  =                   16          / 2 byte-pixel per data point           
NAXIS   =                    2          / CCD array                             
NAXIS1  =                   50          / Fastest varying axis in array         
NAXIS2  =                 1024          / Next axis                             
DETECTOR= 'DDOCCD  '                    / CSF-THX-31156 Thomson 1024x1024 ccd   
TELESCOP= '1.88M   '                    / Telescope                             
INSTRUME= 'cass-ccd'                    / Data acquisition instrument           
ORIGSEC = '[1:1024,1:1024]'             / Original frame format                 
CCDSEG  = '[391:590,1:1024]'            / Frame format                          
OBJECT  = 'bias    '                    / Image name                            
TIME-OBS= '23:51:23'                    / start Universal time                  
DATE-OBS= '21/02/99'                    / Universal Date: DD/MM/YY              
OBSERVER= 'Gld/wxl '                    / Name(s) or ID(s)                      
EXPTIME =                    0          / Exposure time in seconds              
FILE    = 'CC62829.fts'                 / File name                             
GAIN    =                   90          / <n> cgain; <n>=[(Gain_Factor-1)]x30   
TSCALE  =                 1000          / Camera scale                          
DEC     = '        '                    / Declination, +/-dd:mm:ss              
RA      = '        '                    / Right Ascension, hh:mm:ss             
HA      = '        '                    / Actual position of telescope          
EQUINOX =                               / Equinox                               
EPOCH   =                 2000          / Epoch                                 
ENDTIME = '23:51:23'                    / End time of exposure                  
EXPCOUNT=                               / Exposure meter counts                 
IMAGETYP= 'zero    '                    / Type of observation                   
CENTLAM = '5894    '                    / Central wavelength for observation    
FILTER  = '0       '                    / Wavelength or ID                      
GRATING = '1800/51.58'                  / Grating description                   
COMMENT   average of 4 biases                                                   
COMMENT   dome T -7.3C rel H 40% and ccdt=-100.4C @23:52UT                      
COMMENT   Exp Meter 1320V; Focus=6.97                                           
COMMENT                                                                         
COMMENT                                                                         
COMMENT                                                                         
END