SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 561 NAXIS2 = 561 OBJECT = 'NGC 4535 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:31:48.0' DEC = '+08:28:35.6' AIRMASS = 1.260209E+00 HISTORY 'Flat-fielded, star-subtracted, calibrated, header-corrected ' TELESCOP= 'Palomar 1.5' INSTRUME= 'Wide field' OBSERVER= 'J. E. Gunn' AUTHOR = 'Z. Frei et al. ' REFERENC= 'AJ, 1995, in press ' DATE = '12/07/95 ' EQUINOX = 1.950000E+03 BUNIT = 'COUNTS ' HA = '-02:00:56.3' / Hour Angle LST = ' 14:34:52.2' / Sidereal Time TIME = '07:31:35.5' FILENUM = 89 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.879500E+02 CRVAL2 = 8.476388E+00 CRPIX1 = 2.810000E+02 CRPIX2 = 2.810000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 2.346200E+04 DATAMIN = 1.090000E+02 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4535_pr.fits' FILTER1 = 'r ' SKY = 1.247311E+03 SKYSIG = 3.523787E+01 XOFFSET = 135 YOFFSET = 126 G_CENT_X= 280 G_CENT_Y= 280 SATURAT = 1 DNAT0_ST= 1.410722E+11 DNAT0_BV= 1.360299E+11 B_RC3 = 1.059000E+01 B-V_RC3 = 6.300000E-01 PSF_FWHM= 2.175768E+00 PA_RC3 = 0.000000E+00 BOA_RC3 = 1.500000E-01 SIZE_RC3= 1.850000E+00 VELO_RC3= 1.957904E+03 TYPE_RC3= '.SXS5.. 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