SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 721 NAXIS2 = 721 OBJECT = 'NGC 4258 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:16:29.0' DEC = '+47:35:00.1' AIRMASS = 1.050947E+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 = '-00:59:18.4' / Hour Angle LST = ' 13:17:52.4' / Sidereal Time TIME = '06:14:48.3' FILENUM = 59 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.841208E+02 CRVAL2 = 4.758333E+01 CRPIX1 = 3.600000E+02 CRPIX2 = 3.610000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 1.228700E+04 DATAMIN = 2.300000E+01 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4258_pg.fits' FILTER1 = 'g ' SKY = 3.407277E+02 SKYSIG = 1.353396E+01 XOFFSET = 49 YOFFSET = 44 G_CENT_X= 359 G_CENT_Y= 360 SATURAT = 2 DNAT0_ST= 7.133225E+10 DNAT0_BV= 6.427258E+10 B_RC3 = 9.100000E+00 B-V_RC3 = 6.900000E-01 PSF_FWHM= 1.999050E+00 PA_RC3 = 1.500000E+02 BOA_RC3 = 4.100000E-01 SIZE_RC3= 2.270000E+00 VELO_RC3= 4.500869E+02 TYPE_RC3= '.SXS4.. ' DATE-OBS= '05/05/91 ' END