EGRET map

Map of the gamma-ray sky in the 100 MeV energy range, produced by the EGRET detector aboard NASA's Compton Gamma Ray Observatory. The bright band coincides with the galactic plane.
International Journal of High-Energy Physics

Map of the gamma-ray sky in the 100 MeV energy range, produced by the EGRET detector aboard NASA's Compton Gamma Ray Observatory. The bright band coincides with the galactic plane.