Back IC1805Heart Nebula in Emission-Line Click to display the full resolution Object InfoTypeEmission NebulaConstellationCassiopeiaDistance7,500 ly Capture DetailsDateOctober 25, 2008LocationCarlsbad, CAExposureHa 13x15 (bin 1x1) EquipmentOpticsTakahashi FS-60C RefractorFocal Length285mm @f/4.7MountAstro-Physics 900GTOCameraSBIG ST-2000XMFocuserRobo-FocusFiltersCFW10A, Astrodon 6nm HaSoftwareCCD Commander, Maxim DL, CCDStack, Photoshop