SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 561 NAXIS2 = 561 OBJECT = 'NGC 4579 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:35:11.90' DEC = '+12:05:34.9' AIRMASS = 1.353935E+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 = '-02:40:32.1' / Hour Angle LST = ' 15:17:51.3' / Sidereal Time TIME = '08:14:27.6' FILENUM = 108 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.887958E+02 CRVAL2 = 1.209278E+01 CRPIX1 = 2.810000E+02 CRPIX2 = 2.810000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 1.643300E+04 DATAMIN = 2.490000E+02 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4579_pi.fits' FILTER1 = 'i ' SKY = 1.588141E+03 SKYSIG = 2.647573E+01 XOFFSET = 133 YOFFSET = 132 G_CENT_X= 280 G_CENT_Y= 280 SATURAT = 2 DNAT0_ST= 5.073690E+10 DNAT0_BV= 5.287448E+10 B_RC3 = 1.048000E+01 B-V_RC3 = 8.200000E-01 PSF_FWHM= 2.656879E+00 PA_RC3 = 9.500000E+01 BOA_RC3 = 1.000000E-01 SIZE_RC3= 1.770000E+00 VELO_RC3= 1.521622E+03 TYPE_RC3= '.SXT3.. ' DATE-OBS= '05/05/91 ' END