Back IC434Horsehead Nebula (B33) Click to display the full resolution Object InfoTypeDark NebulaConstellationOrionDistance1,600 ly Capture DetailsDateFebruary 18, 2009LocationCarlsbad, CAExposureHa 9x10 (bin 1x1) EquipmentOpticsCelestron C11 Carbon Fiber SCT w/XLTFocal Length1764mm @f/6.3MountAstro-Physics 900GTOCameraSBIG ST-2000XMFocuserJMI MotofocusFiltersCFW10A, Astrodon 6nm HaSoftwareMaxim DL, CCDStack, Photoshop