Back IC434Horsehead Nebula (B33) Click to display the full resolution Object InfoTypeDark NebulaConstellationOrionDistance1,600 ly Capture DetailsDateMarch 2, 2013LocationCarlsbad, CAExposureHa 5x15 (bin 1x1) EquipmentOpticsCelestron C11 Carbon Fiber SCT w/XLTFocal Length1867mm @f/6.67MountAstro-Physics 900GTOCameraQSI 683wsg-8FocuserRobo-FocusFiltersAstrodon 3nm HaSoftwareMaxim DL, CCDStack, Photoshop