SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 561 NAXIS2 = 561 OBJECT = 'NGC 4527 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:31:34.80' DEC = '+02:55:42.3' AIRMASS = 1.316872E+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 = '-01:54:10.5' / Hour Angle LST = ' 14:27:54.1' / Sidereal Time TIME = '07:24:38.5' FILENUM = 86 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.878917E+02 CRVAL2 = 2.928334E+00 CRPIX1 = 2.800000E+02 CRPIX2 = 2.810000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 3.097900E+04 DATAMIN = 1.010000E+02 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4527_pr.fits' FILTER1 = 'r ' SKY = 1.264426E+03 SKYSIG = 3.657003E+01 XOFFSET = 132 YOFFSET = 139 G_CENT_X= 279 G_CENT_Y= 280 SATURAT = 1 DNAT0_ST= 1.423596E+11 DNAT0_BV= 1.540934E+11 B_RC3 = 1.138000E+01 B-V_RC3 = 8.600000E-01 PSF_FWHM= 2.092117E+00 PA_RC3 = 6.700000E+01 BOA_RC3 = 4.700000E-01 SIZE_RC3= 1.790000E+00 VELO_RC3= 1.734163E+03 TYPE_RC3= '.SXS4.. 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