***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 = '[381:580,1:1024]' / Frame format FILE = 'CC64896.fts' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:26:28' / start Universal time ENDTIME = '09:26:39' / 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 = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.5 / temperature: deg C, CE200 box TEMP-HRK= 12.8 / temperature: deg C, heated Rack TEMP-CS1= 1.8 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 3.3 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64897.fts' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:31:02' / start Universal time ENDTIME = '09:31:13' / 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 = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.5 / temperature: deg C, CE200 box TEMP-HRK= 12.4 / temperature: deg C, heated Rack TEMP-CS1= 1.7 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 3.2 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64898.fts' / File name OBJECT = 'HD177724' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:32:10' / start Universal time ENDTIME = '09:35:49' / End time of exposure RA = '19:00:49' / Right Ascension, hh:mm:ss DEC = '13:42:53' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 219 / Exposure time in seconds EXPCOUNT= 100913 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.5 / temperature: deg C, CE200 box TEMP-HRK= 12.0 / temperature: deg C, heated Rack TEMP-CS1= 1.6 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 3.2 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64899.fts' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:37:10' / start Universal time ENDTIME = '09:37:21' / 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 = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.5 / temperature: deg C, CE200 box TEMP-HRK= 11.2 / temperature: deg C, heated Rack TEMP-CS1= 1.6 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 3.1 / 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 ***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 = '[381:580,1:1024]' / Frame format FILE = 'CC64900.fts' / File name OBJECT = 'Tungsten' / Image name IMAGETYP= 'flat ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:39:45' / start Universal time ENDTIME = '09:40:04' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 12.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.3 / temperature: deg C, CE200 box TEMP-HRK= 10.0 / temperature: deg C, heated Rack TEMP-CS1= 1.3 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.8 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64901.fts' / File name OBJECT = 'Tungsten' / Image name IMAGETYP= 'flat ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:40:36' / start Universal time ENDTIME = '09:40:55' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 12.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.3 / temperature: deg C, CE200 box TEMP-HRK= 9.9 / temperature: deg C, heated Rack TEMP-CS1= 1.2 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.7 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64902.fts' / File name OBJECT = 'Tungsten' / Image name IMAGETYP= 'flat ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:41:04' / start Universal time ENDTIME = '09:41:23' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 12.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.3 / temperature: deg C, CE200 box TEMP-HRK= 9.6 / temperature: deg C, heated Rack TEMP-CS1= 1.1 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.7 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64903.fts' / File name OBJECT = 'Tungsten' / Image name IMAGETYP= 'flat ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:41:32' / start Universal time ENDTIME = '09:41:51' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 12.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.2 / temperature: deg C, CE200 box TEMP-HRK= 9.3 / temperature: deg C, heated Rack TEMP-CS1= 1.1 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.6 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64904.fts' / File name OBJECT = 'Tungsten' / Image name IMAGETYP= 'flat ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:42:00' / start Universal time ENDTIME = '09:42:19' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 12.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.2 / temperature: deg C, CE200 box TEMP-HRK= 8.8 / temperature: deg C, heated Rack TEMP-CS1= 1.0 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.6 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64905.fts' / File name OBJECT = 'Tungsten' / Image name IMAGETYP= 'flat ' / Type of observation OBSERVER= '[HI]/Gld/Eh/WxL' / Name(s) or ID(s) DATE-OBS= '24/04/99' / Universal Date: DD/MM/YY TIME-OBS= '09:42:28' / start Universal time ENDTIME = '09:42:47' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 12.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 5894 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 51.58 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2748 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT Dome T 7.6C rel H 37% at 00:35 UT,ccdtemp -100.4C COMMENT HV=1320V 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= 37% / % relative humidity TEMP-DOM= 7.6 / temperature: deg C, Dome floor air TEMP-CSE= .2 / temperature: deg C, pri cast TEMP-SEC= -2.6 / temperature: deg C, sec air TEMP-PRI= -1.6 / temperature: deg C, pri air TEMP-CON= 26.1 / temperature: deg C, CE200 box TEMP-HRK= 8.5 / temperature: deg C, heated Rack TEMP-CS1= 1.0 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.6 / 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