Back MEL15Core of IC1805 (Heart Nebula) Click to display the full resolution Object InfoTypeDiffuse NebulaConstellationCassiopeiaDistance7,500 ly Capture DetailsDateNovember 24, 2010LocationCarlsbad, CAExposureHa 12x10 (bin 1x1) EquipmentOpticsCelestron C11 Carbon Fiber SCT w/XLTFocal Length1576mm @f/5.6MountAstro-Physics 900GTOCameraSBIG ST-10XMEFocuserRobo-FocusFiltersCFW10A, Astrodon 3nm HaSoftwareMaxim DL, CCDStack, Photoshop