SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 721 NAXIS2 = 721 OBJECT = 'NGC 4321 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:20:22.90' DEC = '+16:06:01.6' AIRMASS = 1.108768E+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 = '-01:22:59.5' / Hour Angle LST = ' 13:45:30.0' / Sidereal Time TIME = '06:42:21.5' FILENUM = 68 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.850917E+02 CRVAL2 = 1.610028E+01 CRPIX1 = 3.610000E+02 CRPIX2 = 3.610000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 1.822500E+04 DATAMIN = 6.000000E+01 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4321_pg.fits' FILTER1 = 'g ' SKY = 7.971083E+02 SKYSIG = 2.982094E+01 XOFFSET = 51 YOFFSET = 51 G_CENT_X= 360 G_CENT_Y= 360 SATURAT = 1 DNAT0_ST= 1.397686E+11 DNAT0_BV= 1.403494E+11 B_RC3 = 1.005000E+01 B-V_RC3 = 7.000000E-01 PSF_FWHM= 2.070706E+00 PA_RC3 = 3.000000E+01 BOA_RC3 = 7.000000E-02 SIZE_RC3= 1.870000E+00 VELO_RC3= 1.585771E+03 TYPE_RC3= '.SXS4.. ' DATE-OBS= '05/05/91 ' END