SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 321 NAXIS2 = 321 OBJECT = 'NGC 4651 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:41:13.0' DEC = '+16:40:06.2' AIRMASS = 1.304372E+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 = '-02:41:24.2' / Hour Angle LST = ' 15:24:43.5' / Sidereal Time TIME = '08:21:18.5' FILENUM = 111 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.903042E+02 CRVAL2 = 1.666833E+01 CRPIX1 = 1.610000E+02 CRPIX2 = 1.620000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 2.127500E+04 DATAMIN = 5.600000E+01 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4651_pi.fits' FILTER1 = 'i ' SKY = 3.020207E+03 SKYSIG = 5.243864E+01 XOFFSET = 259 YOFFSET = 248 G_CENT_X= 160 G_CENT_Y= 161 SATURAT = 1 DNAT0_ST= 1.017395E+11 DNAT0_BV= 1.152736E+11 B_RC3 = 1.139000E+01 B-V_RC3 = 5.700000E-01 PSF_FWHM= 2.749291E+00 PA_RC3 = 8.000000E+01 BOA_RC3 = 1.800000E-01 SIZE_RC3= 1.600000E+00 VELO_RC3= 8.052041E+02 TYPE_RC3= '.SAT5.. ' DATE-OBS= '05/05/91 ' END