SIMPLE  =                    T                                                
BITPIX  =                   16                                                
NAXIS   =                    2                                                
NAXIS1  =                  313                                                
NAXIS2  =                  313                                                
OBJECT  = 'NGC 3631  '                                                        
BSCALE  =         1.000000E+00                                                
BZERO   =         0.000000E+00                                                
EXPOSURE=         3.000000E+02                                                
RA      = '11:18:13.3'                                                        
DEC     = '+53:26:43 '                                                        
TIME    = '20:01:03  '                                                        
AIRMASS =         0.000000E+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= 'n3631_lR.fits'                                                     
OBSTAPE = 'Tape_6    '                                                        
SKY     =         3.400081E+02                                                
SKYSIG  =         1.072834E+01                                                
IMAGE   = 'n3631r.01 '                                                        
DISKDIR = 'Tape_6/03apr'                                                      
DECORDER=                    F                                                
CRPIX1  =         1.820000E+02                                                
CRPIX2  =         1.570000E+02                                                
CDELT1  =        -3.750000E-04                                                
CDELT2  =         3.750000E-04                                                
CTYPE1  = 'RA---TAN  '                                                        
CTYPE2  = 'DEC--TAN  '                                                        
DATAMAX =         8.348000E+03                                                
DATAMIN =         4.800000E+01                                                
CCDNUM  =                    1                                                
XOFFSET =                   22                                                
YOFFSET =                  166                                                
G_CENT_X=                  181                                                
G_CENT_Y=                  156                                                
SATURAT =                    1                                                
DNAT0_ST=         0.000000E+00                                                
DNAT0_BV=         3.310515E+10                                                
B_RC3   =         1.101000E+01                                                
B-V_RC3 =         5.800000E-01                                                
PSF_FWHM=         3.787282E+00                                                
PA_RC3  =         0.000000E+00                                                
SIZE_RC3=         1.700000E+00                                                
BOA_RC3 =         2.000000E-02                                                
VELO_RC3=         1.157968E+03                                                
TYPE_RC3= '.SAS5..   '                                                        
DATE-OBS= '03/04/89  '                                                        
CRVAL1  =         1.695542E+02                                                
CRVAL2  =         5.344528E+01                                                
END