Back NGC6960Witch's Broom in Emission-Line Click to display the full resolution Object InfoTypeNebulaConstellationCygnusDistance2,600 ly Capture DetailsDateSeptember 1, 2007LocationCarlsbad, CAExposureOIII 8x10, Ha 8x10, SII 8x10 (bin 1x1) as RGBNotesImaged over multiple nights EquipmentOpticsTakahashi FSQ-106N RefractorFocal Length530mm @f/5MountAstro-Physics 900GTOCameraSBIG ST-2000XMFocuserRobo-FocusFiltersCFW10A, Astrodon 6nm SII, Ha, OIIISoftwareMaxim DL, Photoshop