Back IC1318The Butterfly Nebula in Emission-Line Click to display the full resolution Object InfoTypeNebulaConstellationCygnusDistance5,000 ly Capture DetailsDateSeptember 6, 2007LocationCarlsbad, CAExposureHa 8x15 (bin 1x1) EquipmentOpticsTakahashi FS-60C RefractorFocal Length354mm @f/5.9MountAstro-Physics 900GTOCameraSBIG ST-2000XMFocuserRobo-FocusFiltersCFW10A, Astrodon 6nm HaSoftwareCCD Commander, Maxim DL, CCDStack, Photoshop