# HDU 0 in SHELA2_g_subimg-15percent.fits:
SIMPLE  =                    T / conforms to FITS standard                      
BITPIX  =                  -32 / array data type                                
NAXIS   =                    2 / number of array dimensions                     
NAXIS1  =                 2133                                                  
NAXIS2  =                 2133                                                  
WCSAXES =                    2 / Number of coordinate axes                      
CRPIX1  =               1065.5 / Pixel coordinate of reference point            
CRPIX2  =               1065.5 / Pixel coordinate of reference point            
PC1_1   =             -7.5E-05 / Coordinate transformation matrix element       
PC2_2   =              7.5E-05 / Coordinate transformation matrix element       
CDELT1  =                  1.0 / [deg] Coordinate increment at reference point  
CDELT2  =                  1.0 / [deg] Coordinate increment at reference point  
CUNIT1  = 'deg'                / Units of coordinate increment and value        
CUNIT2  = 'deg'                / Units of coordinate increment and value        
CTYPE1  = 'RA---TAN'           / Right ascension, gnomonic projection           
CTYPE2  = 'DEC--TAN'           / Declination, gnomonic projection               
CRVAL1  =            16.555032 / [deg] Coordinate value at reference point      
CRVAL2  =            -0.001488 / [deg] Coordinate value at reference point      
LONPOLE =                180.0 / [deg] Native longitude of celestial pole       
LATPOLE =        -0.0014875011 / [deg] Native latitude of celestial pole        
RADESYS = 'ICRS'               / Equatorial coordinate system                   
MJD-OBS =        56571.0761212 / [d] MJD of observation matching DATE-OBS       
DATE-OBS= '2013-10-06T01:49:36.868' / ISO-8601 observation date matching MJD-OBS