SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 313 NAXIS2 = 313 OBJECT = 'NGC 4157 ' BSCALE = 1.000000E+00 BZERO = 0.000000E+00 EXPOSURE= 6.000000E+02 RA = '12:10:26.8' DEC = '+50:33:17 ' TIME = '07:05:09 ' AIRMASS = 1.040000E+00 HISTORY 'Flat-fielded, star-subtracted, calibrated, header-corrected ' TELESCOP= 'Lowell 1.1' INSTRUME= 'RCA CCD 320' OBSERVER= 'J. A. Tyson' AUTHOR = 'Z. Frei et al. ' REFERENC= 'AJ, 1995, in press ' DATE = '12/07/95 ' EQUINOX = 1.950000E+03 BUNIT = 'COUNTS ' FILTER1 = 'R ' FILENAME= 'n4157_lR.fits' OBSTAPE = 'Tape_5 ' SKY = 7.197291E+02 SKYSIG = 1.307651E+01 IMAGE = 'n4157r.00 ' DISKDIR = 'Tape_5/02apr' DECORDER= F CRVAL1 = 1.826083E+02 CRVAL2 = 5.055472E+01 CRPIX1 = 1.570000E+02 CRPIX2 = 1.570000E+02 CDELT1 = -3.750000E-04 CDELT2 = 3.750000E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 6.866000E+03 DATAMIN = 6.200000E+02 CCDNUM = 1 XOFFSET = 22 YOFFSET = 184 G_CENT_X= 156 G_CENT_Y= 156 SATURAT = 1 DNAT0_ST= 0.000000E+00 DNAT0_BV= 2.048873E+11 B_RC3 = 1.266000E+01 B-V_RC3 = 4.500000E-01 PSF_FWHM= 3.051000E+00 PA_RC3 = 1.150000E+02 SIZE_RC3= 1.350000E+00 BOA_RC3 = 1.100000E-01 VELO_RC3= 2.294277E+03 TYPE_RC3= '.SXT5.. ' DATE-OBS= '03/04/89 ' END   ll  l l   "       )* !       #   !   *   % -      0!'"   /7! 0  (%4$)#(((7 ! !)8*+! '>5.5*&9!5   !/ 9L19%7$:*+>3>3C&>9-0)!$   1  %!1QCXC0&2(OB:JD;LLAE%$!    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