ISGRI image of the X-ray sky in the 20–40 keV energy band, averaged over 353 ScWs from Revs. 51–68. Coordinates are in galactic longitude and latitude. To avoid confusion only the 6 brightest of overall 12 detected sources are labeled. In this image 4U 1909+07 is the fourth brightest source in the field of view after GRS 1915+105, the transient 4U 1901+03, and H 1907+097.
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