***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 = '[426:625,1:1024]' / Frame format FILE = 'CC69688.fts' / File name OBJECT = 'HD23850 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:03:04' / start Universal time ENDTIME = '04:13:26' / End time of exposure RA = '3:43:13 ' / Right Ascension, hh:mm:ss DEC = '23:44:52' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 622 / Exposure time in seconds EXPCOUNT= 2365 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT thick cloud COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 26.8 / temperature: deg C, CE200 box TEMP-HRK= 14.0 / temperature: deg C, heated Rack TEMP-CS1= 0.7 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.2 / 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 = '[426:625,1:1024]' / Frame format FILE = 'CC69689.fts' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:15:40' / start Universal time ENDTIME = '04:15:51' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 4.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 27.0 / temperature: deg C, CE200 box TEMP-HRK= 12.2 / temperature: deg C, heated Rack TEMP-CS1= 0.7 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.2 / 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 = '[426:625,1:1024]' / Frame format FILE = 'CC69690.fts' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:19:27' / start Universal time ENDTIME = '04:19:38' / 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 = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 27.0 / temperature: deg C, CE200 box TEMP-HRK= 11.2 / temperature: deg C, heated Rack TEMP-CS1= 0.7 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.1 / 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 = '[426:625,1:1024]' / Frame format FILE = 'CC69691.fts' / File name OBJECT = 'HD35497 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:23:09' / start Universal time ENDTIME = '04:24:56' / End time of exposure RA = '5:19:58 ' / Right Ascension, hh:mm:ss DEC = '28:31:23' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 107 / Exposure time in seconds EXPCOUNT= 3784 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT thick cloud COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 26.7 / temperature: deg C, CE200 box TEMP-HRK= 10.2 / temperature: deg C, heated Rack TEMP-CS1= 0.6 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.1 / 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 = '[426:625,1:1024]' / Frame format FILE = 'CC69692.fts' / File name OBJECT = 'HD35497 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:25:32' / start Universal time ENDTIME = '04:27:14' / End time of exposure RA = '5:19:58 ' / Right Ascension, hh:mm:ss DEC = '28:31:23' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 102 / Exposure time in seconds EXPCOUNT= 3015 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT thick cloud COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 26.6 / temperature: deg C, CE200 box TEMP-HRK= 9.5 / temperature: deg C, heated Rack TEMP-CS1= 0.6 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.1 / 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 = '[426:625,1:1024]' / Frame format FILE = 'CC69693.fts' / File name OBJECT = 'HD35497 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:27:30' / start Universal time ENDTIME = '04:35:46' / End time of exposure RA = '5:19:58 ' / Right Ascension, hh:mm:ss DEC = '28:31:23' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 496 / Exposure time in seconds EXPCOUNT= 2054 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT thick cloud COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 26.7 / temperature: deg C, CE200 box TEMP-HRK= 9.1 / temperature: deg C, heated Rack TEMP-CS1= 0.6 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.0 / 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 = '[426:625,1:1024]' / Frame format FILE = 'CC69694.fts' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:37:18' / start Universal time ENDTIME = '04:37:29' / 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 = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 26.7 / temperature: deg C, CE200 box TEMP-HRK= 7.2 / temperature: deg C, heated Rack TEMP-CS1= 0.6 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 2.0 / 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 = '[426:625,1:1024]' / Frame format FILE = 'CC69695.fts' / File name OBJECT = 'bias ' / Image name IMAGETYP= 'zero ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:37:52' / start Universal time ENDTIME = '04:37:52' / 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 = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT average of 4 biases COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 26.6 / temperature: deg C, CE200 box TEMP-HRK= 7.1 / temperature: deg C, heated Rack TEMP-CS1= 0.4 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 1.9 / 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 = '[426:625,1:1024]' / Frame format FILE = 'CC69696.fts' / File name OBJECT = 'bias ' / Image name IMAGETYP= 'zero ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:44:35' / start Universal time ENDTIME = '04:44:35' / 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 = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT average of 4 biases COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 26.2 / temperature: deg C, CE200 box TEMP-HRK= 13.1 / temperature: deg C, heated Rack TEMP-CS1= 0.4 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 1.9 / 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 = '[426:625,1:1024]' / Frame format FILE = 'CC69697.fts' / File name OBJECT = 'bias ' / Image name IMAGETYP= 'zero ' / Type of observation OBSERVER= '[rG] /Tn' / Name(s) or ID(s) DATE-OBS= '08/11/99' / Universal Date: DD/MM/YY TIME-OBS= '04:48:14' / start Universal time ENDTIME = '04:48:14' / 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 = 4700 / Central wavelength for observation GRATING = 600C / Grating description, lines/mm GTILT = 26.20 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2739 / telescope focus FOCUSSP = 5.10 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT average of 4 biases COMMENT ccd temp @22:55 UT -100.4 C 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= 2.2 / temperature: deg C, Dome floor air TEMP-CSE= -.8 / temperature: deg C, pri cast TEMP-SEC= -2.5 / temperature: deg C, sec air TEMP-PRI= -.8 / temperature: deg C, pri air TEMP-CON= 26.2 / temperature: deg C, CE200 box TEMP-HRK= 14.9 / temperature: deg C, heated Rack TEMP-CS1= 0.4 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 1.8 / 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