Back M15M15 Cluster Click to display the full resolution Object InfoTypeGlobular ClusterConstellationPegasusDistance33,600 ly Capture DetailsDateOctober 29, 2004LocationCarlsbad, CAExposureLum 6x10 (bin 1x1) EquipmentOpticsCelestron C11 Carbon Fiber SCT w/XLTFocal Length1764mm @f/6.3MountCelestron CGECameraSBIG ST-2000XMFocuserOptec TCF-SFiltersCFW8A, SBIG LRGBSoftwareCCDSoft, Photoshop