SIMPLE  =                    T  / Fits standard                               
BITPIX  =                   16  / Bits per pixel                              
NAXIS   =                    2  / Number of axes                              
NAXIS1  =                 2102  / Axis length                                 
NAXIS2  =                 2092  / Axis length                                 
EXTEND  =                    T  / File may contain extensions                 
BSCALE  =           1.000000E0  / REAL = TAPE*BSCALE + BZERO                  
BZERO   =           3.276800E4  / Number to add to data (unsigned int)        
ORIGIN  = 'NOAO-IRAF FITS    '  / FITS file originator July 1999              
DATE    = '2017-07-08T12:11:32' / Date FITS file was generated (yyyy-mm-dd)   
HISTORY = 'median raw - median bias (fourth lowest of 10 files)'              
OBJNAM  = 'dark              '  / Name of the object observed                 
OBSERVAT= 'NFO Webscope      '  / observatory                                 
OBSERVER= 'A. W. Neely       '                                                
COMMENTS= 'no shutter filter '  / density filter on shutter wheel             
EXPTIME =           120.000000  / actual integration time                     
DARKTIME=                  23.  / total elapsed time for readout              
IMAGETYP= 'dark field        '  / picture, small, tiny , dark, bias           
DATE-OBS= '2017-07-08        '  / date (yyyy-mm-dd) at start of exposure      
UT      = '12:11:32          '  / universal time at start of exposure         
ST      = '00:05:14          '  / local sidereal time at start of exposure    
RA      = '11:14:48          '  / right ascension                             
DEC     = '+55:00:58         '  / declination                                 
EQUINOX =          2000.000000  / epoch of ra and dec                         
ZD      =            92.043228  / zenith distance                             
AIRMASS =           -28.047701  / airmass                                     
TELESCOP= '24"               '  / telescope name                              
DETECTOR= '2084x2084         '  / detector KAF-4301e Finger Lake              
PREFLASH=                    0  / preflash time, seconds                      
GAIN    =                  2.4  / gain, electrons per adu                     
DWELL   =                   25  / sample integration time                     
RDNOISE =                  9.4  / read noise, electrons                       
CAMTEMP =           -20.340001  / camera temperature                          
LATITUDE=               32.771  / latitude of Observatory                     
BIASSEC = '[6:8,5:2088]      '  / prescan portion of frame                    
TRIMSEC = '[9:2092,5:2088]   '  / region to be extracted                      
DATASEC = '[9:2092,5:2088]   '  / image portion of frame                      
CCDSEC  = '[1:2102,1:2092]   '  / orientation to full frame                   
ORIGSEC = '[1:2102,1:2092]   '  / original size full frame                    
CCDSUM  = '1 1               '  / on chip summation                           
INSTRUME= 'big2048           '  / instrument                                  
FILTER  = 'N1                '  / instrument filters on filter wheel          
FILENAME= 'd57943dark.fit    '  / filename (p,d,b,f(lat), JD.index.fits)      
MJD-OBS =       2457943.008704  / julian date + .5 * time of observation      
HMJD-OBS=       2457943.005321  / heliocentric julian date + .5 * time        
AIRTEMP =            62.193298  / air ambiant temperature                     
HUMIDITY=            58.000000  / relative humidity                           
CLOUDNUM=             0.500000  / cloud sensor readout (0 - 15)               
DEW     = 'N                 '  / dew sensor readout(Y or N)                  
WINDSPEE=             0.000000  / windspeed mph                               
GROUPNAM= 'gr97              '  / atis group name                             
TELFOCUS=                   79  / current focus position for this filter      
CTYPE1  = 'RA---TAN'            / axis 1 orientation (x)                      
CTYPE2  = 'DEC--TAN'            / axis 2 orientation (y)                      
CDELT1  =            -2.183E-4  / degrees per pixel increment                 
CDELT2  =            -2.183E-4  / degrees per pixel increment                 
CRPIX1  =           1.05000E+3  / reference pixel for RA                      
CRPIX2  =           1.04600E+3  / reference pixel for DEC                     
CRVAL1  =         1.687000E+02  / RA                                          
CRVAL2  =         5.501639E+01  / Dec                                         
LASTVDIF=                 38.3  / Last atmospheric extinction (%V band)