--- header unit 0: primary ---
SIMPLE = T / Written by IDL: 9-Oct-1997 11:27:50.00
BITPIX = -32 / IEEE Floating point
NAXIS = 3 / Number of axes
NAXIS1 = 182 / Number of pixels on axis 1
NAXIS2 = 92 / Number of pixels on axis 2
NAXIS3 = 2 / First plane is exposure, second is counts
ORIGIN = 'ADF/GSFC' / Astrophysics Data Facility, NASA/GSFC
DATE = '09/10/97' / FITS file creation date
HISTORY Map name: C Band
HISTORY Energy range (keV): (0.16-0.284 keV)
HISTORY Projection and center: 180-centered Aitoff
HISTORY FITS version of the Wisconsin Survey of the Soft X-Ray Diffuse
HISTORY Background (McCammon et al. 1983, ApJ, 269, 107).
HISTORY The first plane contains the exposure map, and the
HISTORY second the counts map.
HISTORY Documentation for the survey is available online from the
HISTORY Astronomical Data Center (http://adc.gsfc.nasa.gov/) as
HISTORY ADC catalog 7043.
HISTORY FITS version produced at the Astrophysics Data Facility, NASA/GSFC