SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 561 NAXIS2 = 561 OBJECT = 'NGC 4559 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:33:29.0' DEC = '+28:14:07.7' AIRMASS = 1.138037E+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 = '-02:10:58.3' / Hour Angle LST = ' 14:46:32.1' / Sidereal Time TIME = '07:43:13.5' FILENUM = 94 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.883708E+02 CRVAL2 = 2.823528E+01 CRPIX1 = 2.810000E+02 CRPIX2 = 2.810000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 5.535000E+03 DATAMIN = 5.800000E+01 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4559_pg.fits' FILTER1 = 'g ' SKY = 7.863862E+02 SKYSIG = 2.920830E+01 XOFFSET = 129 YOFFSET = 134 G_CENT_X= 280 G_CENT_Y= 280 SATURAT = 1 DNAT0_ST= 1.351023E+11 DNAT0_BV= 1.338523E+11 B_RC3 = 1.046000E+01 B-V_RC3 = 4.500000E-01 PSF_FWHM= 2.242879E+00 PA_RC3 = 1.500000E+02 BOA_RC3 = 3.900000E-01 SIZE_RC3= 2.030000E+00 VELO_RC3= 8.145936E+02 TYPE_RC3= '.SXT6.. ' DATE-OBS= '05/05/91 ' END