FITS HEADER FOR M51

SIMPLE  =                    T
BITPIX  =                   16
NAXIS   =                    2
NAXIS1  =                  512
NAXIS2  =                  512
EXPTIME =               150000          / exposure time in ms
HANDLE  = '((raw-bias) - ((dark-bias)*exposure)) / flat'
UT      = '06:00:58'
DATE-OBS= '12/04/93'                    / days/month/year
DETECTOR= 'CRAF-Cassini  3.2 elec / DN   25 elec floor noise'
OBSERVER= 'Neely and Richmond'
CAMTEMP =                '-46'          / degrees C
DARKTIME=                    0
INSTRUME= 'n'                           / 'Harris Set'  Johnson bvri or (n)one
TELESCOP= 'NF/ 44.5 REFLECTOR'
BSCALE  =                    1          / real = BSCALE * data + BZERO
BZERO   =                    0
CRVAL1  =            47.183334          / dec at the center of the field
CRPIX1  =                  256          / center pixel in the row
CTYPE1  = 'DEC 2000'
CDELT1  =            +3.33E-4           / degrees increment with counter inc
CRVAL2  =            13.496667          / ra at the center of the field
CRPIX2  =                  256          / center pixel in col
CTYPE2  = 'RA  2000'
CDELT2  =            +3.33E-4           / degrees increment with counter inc
JULIAN          2449089.750673
SIDERIAL=            12.166714          / local siderial time
ZANGLE  =            20.894396          / degrees from zenith
OBJECT  = 'NGC 5194         '
FILENAME= 'P49089BY.fit'
HJULIAN =       2449089.753913          / Heliocentric julian time
END