LAT 2-year Point Source Catalog (FITS format) http://fermi.gsfc.nasa.gov/ssc/data/access/lat/2yr_catalog/
LAT Background Model Pass 6 (V11) Diffuse (front+back) P6_V11_DIFFUSE http://fermi.gsfc.nasa.gov/ssc/data/access/lat/BackgroundModels.html http://fermi.gsfc.nasa.gov/ssc/data/analysis/software/aux/gll_iem_v02_P6_V11_DIFFUSE.fit
http://heasarc.gsfc.nasa.gov/docs/rosat/survey/sxrb/
3/4 keV band (Fig.5b, comparable to Wisconsin M band)