***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 = '[361:560,1:1024]' / Frame format FILE = 'C0009542.FTS' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= 'Mki/Tn ' / Name(s) or ID(s) DATE-OBS= '2001-01-19' / Date of start of observation in UTC TIME-OBS= '22:49:51' / start Universal time ENDTIME = '22:50:05' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 3.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.49 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2781 / telescope focus FOCUSSP = 5.00 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT ccdtemp @22:50UT -100.4C 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= 62 / % relative humidity TEMP-DOM= -4.0 / temperature: deg C, Dome floor air TEMP-CSE= -3.7 / temperature: deg C, pri cast TEMP-SEC= -4.5 / temperature: deg C, sec air TEMP-PRI= -3.1 / temperature: deg C, pri air TEMP-CON= 25.1 / temperature: deg C, CE200 box TEMP-HRK= 12.9 / temperature: deg C, heated Rack TEMP-CS1= -2.8 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= -1.1 / 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 END ***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 = '[361:560,1:1024]' / Frame format FILE = 'C0009543.FTS' / File name OBJECT = 'sky flat' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/Tn ' / Name(s) or ID(s) DATE-OBS= '2001-01-19' / Date of start of observation in UTC TIME-OBS= '22:51:11' / start Universal time ENDTIME = '23:02:41' / End time of exposure RA = '23:29:07' / Right Ascension, hh:mm:ss DEC = '02:06:48' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 690 / Exposure time in seconds EXPCOUNT= 1487 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.49 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2781 / telescope focus FOCUSSP = 5.00 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT sky flat mostly clear COMMENT ccdtemp @22:50UT -100.4C 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= 62 / % relative humidity TEMP-DOM= -4.0 / temperature: deg C, Dome floor air TEMP-CSE= -3.7 / temperature: deg C, pri cast TEMP-SEC= -4.5 / temperature: deg C, sec air TEMP-PRI= -3.1 / temperature: deg C, pri air TEMP-CON= 25.2 / temperature: deg C, CE200 box TEMP-HRK= 12.3 / temperature: deg C, heated Rack TEMP-CS1= -2.9 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= -1.1 / 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 END