Back M1Crab Nebula Click to display the full resolution Object InfoTypeSupernova RemnantConstellationTaurusDistance6,300 ly Capture DetailsDateDecember 21, 2007LocationCarlsbad, CAExposureHa 8x15 (bin 1x1) EquipmentOpticsVixen VC200L Corrected ReflectorFocal Length1800mm @f/9MountAstro-Physics 900GTOCameraSBIG ST-2000XMFocuserRobo-FocusFiltersCFW10A, Astrodon 6nm HaSoftwareCCD Commander, Maxim DL, CCDStack, Photoshop