SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 321 NAXIS2 = 321 OBJECT = 'NGC 4571 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:34:25.0' DEC = '+14:29:34.5' AIRMASS = 1.264715E+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 = '-02:24:04.5' / Hour Angle LST = ' 15:00:36.5' / Sidereal Time TIME = '07:57:15.6' FILENUM = 100 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.886042E+02 CRVAL2 = 1.449278E+01 CRPIX1 = 1.610000E+02 CRPIX2 = 1.610000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 2.989000E+03 DATAMIN = 7.210000E+02 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4571_pg.fits' FILTER1 = 'g ' SKY = 1.094078E+03 SKYSIG = 3.349963E+01 XOFFSET = 250 YOFFSET = 256 G_CENT_X= 160 G_CENT_Y= 160 SATURAT = 1 DNAT0_ST= 1.406241E+11 DNAT0_BV= 1.258828E+11 B_RC3 = 1.182000E+01 B-V_RC3 = 5.100000E-01 PSF_FWHM= 2.319631E+00 PA_RC3 = 5.500000E+01 BOA_RC3 = 5.000000E-02 SIZE_RC3= 1.560000E+00 VELO_RC3= 3.418904E+02 TYPE_RC3= '.SAR7.. ' DATE-OBS= '05/05/91 ' END