***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 CCDSEG = '[376:575,1:1024]' / Frame format FILE = 'CC68908.fts' / File name OBJECT = 'bias ' / Image name IMAGETYP= 'zero ' / Type of observation OBSERVER= 'rG class/Tn' / Name(s) or ID(s) DATE-OBS= '18/10/99' / Universal Date: DD/MM/YY TIME-OBS= '01:13:37' / start Universal time ENDTIME = '01:13:37' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 0 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 4200 / Central wavelength for observation GRATING = 0600 / Grating description, lines/mm GTILT = 25.31 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2700 / telescope focus FOCUSSP = 5.34 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT average of 4 biases COMMENT ccd temp @00:31 -101.5C COMMENT INSTRUME= 'cass-ccd' / Data acquisition instrument DETECTOR= 'DDOCCD ' / CSF-THX-31156 Thomson 1024x1024 ccd ORIGSEC = '[1:1024,1:1024]' / Original frame format TELESCOP= '1.88M ' / Telescope CREATOR = 'CCD5NT v6.0' / Program that created this FITS file FILTER = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 64 / % relative humidity TEMP-DOM= 11.8 / temperature: deg C, Dome floor air TEMP-CSE= 7 / temperature: deg C, pri cast TEMP-SEC= 7.7 / temperature: deg C, sec air TEMP-PRI= 7.8 / temperature: deg C, pri air TEMP-CON= 14.5 / temperature: deg C, CE200 box TEMP-HRK= 11.5 / temperature: deg C, heated Rack TEMP-CS1= 11.7 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 12.7 / temperature: deg C, Cass, position2 TEMP-EC1= / temperature: deg C, Eche, position1 TEMP-EC2= / temperature: deg C, Eche, position2 TEMP-TUB= / temperature: deg C, telescope tube TEMP-CEL= / temperature: deg C, mirror cell Ï ***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 CCDSEG = '[376:575,1:1024]' / Frame format FILE = 'CC68909.fts' / File name OBJECT = 'dark ' / Image name IMAGETYP= 'dark ' / Type of observation OBSERVER= 'rG class/Tn' / Name(s) or ID(s) DATE-OBS= '16/10/99' / Universal Date: DD/MM/YY TIME-OBS= '09:30:50' / start Universal time ENDTIME = '09:31:01' / End time of exposure RA = '10:03:03' / Right Ascension, hh:mm:ss DEC = '12:27:22' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 11 / Exposure time in seconds EXPCOUNT= 11119 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 4200 / Central wavelength for observation GRATING = 0600 / Grating description, lines/mm GTILT = 25.31 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2700 / telescope focus FOCUSSP = 5.34 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT 2nd dark COMMENT ccd temp @00:31 -101.5C COMMENT INSTRUME= 'cass-ccd' / Data acquisition instrument DETECTOR= 'DDOCCD ' / CSF-THX-31156 Thomson 1024x1024 ccd ORIGSEC = '[1:1024,1:1024]' / Original frame format TELESCOP= '1.88M ' / Telescope CREATOR = 'CCD5NT v6.0' / Program that created this FITS file FILTER = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 64 / % relative humidity TEMP-DOM= 11.8 / temperature: deg C, Dome floor air TEMP-CSE= 7 / temperature: deg C, pri cast TEMP-SEC= 7.7 / temperature: deg C, sec air TEMP-PRI= 7.8 / temperature: deg C, pri air TEMP-CON= 14.5 / temperature: deg C, CE200 box TEMP-HRK= 11.5 / temperature: deg C, heated Rack TEMP-CS1= 11.7 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 12.7 / temperature: deg C, Cass, position2 TEMP-EC1= / temperature: deg C, Eche, position1 TEMP-EC2= / temperature: deg C, Eche, position2 TEMP-TUB= / temperature: deg C, telescope tube TEMP-CEL= / temperature: deg C, mirror cell Ï