***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 = 'CC64871.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= '05:02:32' / start Universal time ENDTIME = '05:02:43' / 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= 2739 / 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= 4 / temperature: deg C, pri cast TEMP-SEC= 1.8 / temperature: deg C, sec air TEMP-PRI= 3 / temperature: deg C, pri air TEMP-CON= 28.1 / temperature: deg C, CE200 box TEMP-HRK= 12.3 / temperature: deg C, heated Rack TEMP-CS1= 5.2 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 7.0 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64872.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= '05:25:12' / start Universal time ENDTIME = '05:25:23' / 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= 2739 / 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= 4 / temperature: deg C, pri cast TEMP-SEC= 1.8 / temperature: deg C, sec air TEMP-PRI= 3 / temperature: deg C, pri air TEMP-CON= 27.8 / temperature: deg C, CE200 box TEMP-HRK= 12.0 / temperature: deg C, heated Rack TEMP-CS1= 5.0 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 6.8 / 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 = 'CC64873.fts' / File name OBJECT = 'HD120315' / 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= '05:26:45' / start Universal time ENDTIME = '05:27:53' / End time of exposure RA = '13:43:36' / Right Ascension, hh:mm:ss DEC = '49:48:45' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 68 / Exposure time in seconds EXPCOUNT= 102630 / 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= 2739 / 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= 4 / temperature: deg C, pri cast TEMP-SEC= 1.8 / temperature: deg C, sec air TEMP-PRI= 3 / temperature: deg C, pri air TEMP-CON= 27.5 / temperature: deg C, CE200 box TEMP-HRK= 11.7 / temperature: deg C, heated Rack TEMP-CS1= 4.7 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 6.6 / 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 = 'CC64874.fts' / File name OBJECT = 'HD120315' / 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= '05:28:31' / start Universal time ENDTIME = '05:29:59' / End time of exposure RA = '13:43:36' / Right Ascension, hh:mm:ss DEC = '49:48:45' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 88 / Exposure time in seconds EXPCOUNT= 132840 / 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= 2739 / 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= 4 / temperature: deg C, pri cast TEMP-SEC= 1.8 / temperature: deg C, sec air TEMP-PRI= 3 / temperature: deg C, pri air TEMP-CON= 27.3 / temperature: deg C, CE200 box TEMP-HRK= 11.5 / temperature: deg C, heated Rack TEMP-CS1= 4.5 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 6.4 / 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 = 'CC64875.fts' / File name OBJECT = 'HD120315' / 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= '05:30:45' / start Universal time ENDTIME = '05:32:11' / End time of exposure RA = '13:43:36' / Right Ascension, hh:mm:ss DEC = '49:48:45' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 86 / Exposure time in seconds EXPCOUNT= 132584 / 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= 2739 / 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= 4 / temperature: deg C, pri cast TEMP-SEC= 1.8 / temperature: deg C, sec air TEMP-PRI= 3 / temperature: deg C, pri air TEMP-CON= 27.1 / temperature: deg C, CE200 box TEMP-HRK= 10.5 / temperature: deg C, heated Rack TEMP-CS1= 4.3 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 6.2 / 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 = 'CC64876.fts' / File name OBJECT = 'HD120315' / 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= '05:35:00' / start Universal time ENDTIME = '05:36:25' / End time of exposure RA = '13:43:36' / Right Ascension, hh:mm:ss DEC = '49:48:45' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 85 / Exposure time in seconds EXPCOUNT= 133068 / 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= 2739 / 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= 4 / temperature: deg C, pri cast TEMP-SEC= 1.8 / temperature: deg C, sec air TEMP-PRI= 3 / temperature: deg C, pri air TEMP-CON= 26.8 / temperature: deg C, CE200 box TEMP-HRK= 9.9 / temperature: deg C, heated Rack TEMP-CS1= 4.1 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 6.0 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64877.fts' / File name OBJECT = 'HD120315' / 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= '05:36:52' / start Universal time ENDTIME = '05:38:14' / End time of exposure RA = '13:43:36' / Right Ascension, hh:mm:ss DEC = '49:48:45' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 82 / Exposure time in seconds EXPCOUNT= 132524 / 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= 2739 / 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= 4 / temperature: deg C, pri cast TEMP-SEC= 1.8 / temperature: deg C, sec air TEMP-PRI= 3 / temperature: deg C, pri air TEMP-CON= 26.6 / temperature: deg C, CE200 box TEMP-HRK= 10.4 / temperature: deg C, heated Rack TEMP-CS1= 3.9 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 5.9 / 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 = '[381:580,1:1024]' / Frame format FILE = 'CC64878.fts' / File name OBJECT = 'bias ' / Image name IMAGETYP= 'zero ' / 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= '05:45:47' / start Universal time ENDTIME = '05:45:47' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 0 / 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= 2739 / telescope focus FOCUSSP = / spectrograph focus SLITWID = 250 / slit width in microns SLITLEN = / slit length in microns COMMENT average of 4 biases 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= 4 / temperature: deg C, pri cast TEMP-SEC= 1.8 / temperature: deg C, sec air TEMP-PRI= 3 / temperature: deg C, pri air TEMP-CON= 25.9 / temperature: deg C, CE200 box TEMP-HRK= 11.1 / temperature: deg C, heated Rack TEMP-CS1= 3.5 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 5.5 / 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 = 'CC64879.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= '05:52:42' / start Universal time ENDTIME = '05:52:53' / 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= 2739 / 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= 4 / temperature: deg C, pri cast TEMP-SEC= 1.8 / temperature: deg C, sec air TEMP-PRI= 3 / temperature: deg C, pri air TEMP-CON= 25.8 / temperature: deg C, CE200 box TEMP-HRK= 11.4 / temperature: deg C, heated Rack TEMP-CS1= 3.5 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 5.5 / 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 = 'CC64880.fts' / File name OBJECT = 'TYC3452_1023' / 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= '05:55:09' / start Universal time ENDTIME = '06:25:10' / End time of exposure RA = '11:49:43' / Right Ascension, hh:mm:ss DEC = '46:45:03' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 1801 / Exposure time in seconds EXPCOUNT= 5638 / 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= 2738 / 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= 1.8 / temperature: deg C, pri cast TEMP-SEC= -.9 / temperature: deg C, sec air TEMP-PRI= .5 / temperature: deg C, pri air TEMP-CON= 25.8 / temperature: deg C, CE200 box TEMP-HRK= 11.7 / temperature: deg C, heated Rack TEMP-CS1= 3.4 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 5.5 / 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