BITPIX  =                  -32 / number of bits per data pixel                  
NAXIS   =                    2 / number of data axes                            
NAXIS1  =                 4095 / length of data axis 1                          
NAXIS2  =                 4095 / length of data axis 2                          
BUNIT   = 'DN      '           / image pixel units                              
COMMENT   FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT   and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H 
CRVAL1  =           180.772513 / RA at CRPIX1,CRPIX2, J2000.0 (deg)             
CRVAL2  =           -12.115556 / Dec at CRPIX1,CRPIX2, J2000.0 (deg)            
EQUINOX =               2000.0 / Equinox of WCS, (year)                         
CTYPE1  = 'RA---SIN'           / Projection type for axis 1                     
CTYPE2  = 'DEC--SIN'           / Projection type for axis 2                     
CRPIX1  =          2048.000000 / Axis 1 reference pixel at CRVAL1,CRVAL2        
CRPIX2  =          2048.000000 / Axis 2 reference pixel at CRVAL1,CRVAL2        
CDELT1  =  -0.0003819444391411 / Axis 1 scale at CRPIX1,CRPIX2 (deg/pix)        
CDELT2  =   0.0003819444391411 / Axis 2 scale at CRPIX1,CRPIX2 (deg/pix)        
CROTA2  =             0.000000 / Image twist: +axis2 W of N, J2000.0 (deg)      
HISTORY AWAIC: A WISE Astronomical Image Coadder; Vsn 5.0                       
BITMASK =            405273647 / Fatal bitstring mask template                  
WRELEASE= 'release-v4.1'       / WSDS s/w release tag                           
FILETYPE= 'intensity image'    / product description                            
ORIGIN  = 'WISE Science Data Center, IPAC, Caltech' / origin of image data      
FCREATE = '2011-08-22T14:16:29.000Z' / WSDC file creation date/time (UTC)       
DATEOBS1= '2010-06-21T13:59:47.076' / obs. date/time of earliest frame (UTC)    
DATEOBS2= '2010-06-24T16:36:29.048' / obs. date/time of latest frame (UTC)      
MIDOBS  = '2010-06-23T07:16:19.672' / obs. date/time of middle frame (UTC)      
TELESCOP= 'WISE    '           / telescope used to acquire data                 
BAND    =                    3 / wavelength band number                         
WAVELEN =               12.082 / [microns] effective wavelength of band         
COADDID = '1807m122_ab41'      / atlas-image identifier                         
NUMFRMS =                  107 / final number of frames touching footprint      
MOONREJ =                   16 / number of frames rejected due to moon-glow     
MOONINP =                   23 / initial number of frames with suspect moon-glow
MAGZP   =                  18. / [mag] relative photometric zero point          
MAGZPUNC=                0.012 / [mag] 1-sigma uncertainty in zero point        
SIZEX   =             1.564444 / [deg] linear dimension along axis 1            
SIZEY   =             1.564444 / [deg] linear dimension along axis 2            
PXSCAL1 =                1.375 / [asec/pix] scale at CRPIX1,CRPIX2 for axis1    
PXSCAL2 =                1.375 / [asec/pix] scale at CRPIX1,CRPIX2 for axis2    
MEDINT  =     707.123168945312 / [DN] median of intensity pixels                
MEDCOV  =        11.8623046875 / [pixels] median depth-of-coverage              
MINCOV  =      1.8687744140625 / [pixels] minimum depth-of-coverage             
MAXCOV  =         16.181640625 / [pixels] maximum depth-of-coverage             
LOWCOVPC=    0.209642480704752 / [%] area of footprint with depth <= 4 pixels   
LOWCOPC =     1.71282468718366 / [%] area of footprint with depth <= 6 pixels   
NOMCOVPC=     8.58955127086995 / [%] area of footprint with depth <= 8 pixels   
PCTMINC =             0.000348 / [%] area of internal outlier tile <= 4 pix deep
ROBSIG  =    0.433563449052293 / [DN] robust spatial sigma at MEDCOV +/- 0.25   
PIXCHIS1=    0.900431429746834 / ratio ROBSIG/(median unc) at MEDCOV +/- 0.25   
PIXCHIS2=    0.899690146193753 / ratio ROBSIG/(modal unc) at MEDCOV +/- 0.25    
MEDNMSK =                 8449 / median number of pixels masked per frame       
RANDSEED=                 -999 / random seed for outlier step [-999=>not used]  
ELON    =     185.583937498833 / [deg] Ecliptic longitude at image center       
ELAT    =    -10.7964965747828 / [deg] Ecliptic latitude at image center        
GLON    =     284.733078580365 / [deg] Galactic longitude at image center       
GLAT    =     49.0402642346838 / [deg] Galactic latitude at image center        
MOONMASK= '/wise/fops/ref/coadd/wise-w3-moonmask.fits' / Moon masking file used 
END