***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 = 'CC66960.fts' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= 'Blk/Tn ' / Name(s) or ID(s) DATE-OBS= '25/07/99' / Universal Date: DD/MM/YY TIME-OBS= '05:07:25' / start Universal time ENDTIME = '05:07:36' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 4.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 5184 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 47.00 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2648 / telescope focus FOCUSSP = 4.70 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:50 UT CCD Temp -100.5 COMMENT 1320 volt exp meter now 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 = 'h ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 67 / % relative humidity TEMP-DOM= 21 / temperature: deg C, Dome floor air TEMP-CSE= 20.9 / temperature: deg C, pri cast TEMP-SEC= 18 / temperature: deg C, sec air TEMP-PRI= 20.6 / temperature: deg C, pri air TEMP-CON= 25.978 / temperature: deg C, CE200 box TEMP-HRK= 21.280 / temperature: deg C, heated Rack TEMP-CS1= 22.6 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 24.9 / 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 = 'CC66961.fts' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= 'Blk/Tn ' / Name(s) or ID(s) DATE-OBS= '25/07/99' / Universal Date: DD/MM/YY TIME-OBS= '05:46:12' / start Universal time ENDTIME = '05:46:23' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 4.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 5184 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 47.00 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2664 / telescope focus FOCUSSP = 4.70 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:50 UT CCD Temp -100.5 COMMENT 1320 volt exp meter now 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 = 'h ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 67 / % relative humidity TEMP-DOM= 21 / temperature: deg C, Dome floor air TEMP-CSE= 20.1 / temperature: deg C, pri cast TEMP-SEC= 17.9 / temperature: deg C, sec air TEMP-PRI= 19.9 / temperature: deg C, pri air TEMP-CON= 25.596 / temperature: deg C, CE200 box TEMP-HRK= 20.966 / temperature: deg C, heated Rack TEMP-CS1= 22.0 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 24.1 / 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 Ï