A deep wide survey of low surface brightness galaxies in the direction of the Coma cluster of galaxies

International audience; We report on a search of a 42' by 55' area centered on the Coma cluster for low surface brightness galaxies (LSBs). We analyzed deep BVR and I- band CCD imaging using the CFH12k camera. We found over 400 LSBs. The total R magnitudes range from 22 to 26 with central surface brightness as low as 29 R mag per square arcsecond. We present the results of comparing the projected LSB distribution with the projected distributions of normal galaxies, the X-ray emission and the temperature distribution. The color magnitude relation and luminosity function will also be presented.