Back NGC7635Bubble Nebula Click to display the full resolution Object InfoTypePlanetary NebulaConstellationCassiopeiaDistance11,000 ly Capture DetailsDateOctober 29, 2004LocationCarlsbad, CAExposureHa 180x10 (bin 1x1), R 7x10, G 3x10, B 4x10 (bin 2x2) EquipmentOpticsCelestron C11 Carbon Fiber SCT w/XLTFocal Length1764mm @f/6.3MountCelestron CGECameraSBIG ST-2000XMFocuserOptec TCF-SFiltersCFW8A, SBIG LRGB, Astronomik 13nm HaSoftwareCCDSoft 5, Photoshop cs