Back NGC7000North American Nebula in Emission-Line Click to display the full resolution Object InfoTypeNebulaConstellationCygnusDistance1,500 ly Capture DetailsDateJuly 20, 2012LocationCarlsbad, CAExposureSII 8x15, Ha 8x15, OIII 8x15 (bin 1x1) as RGBNotesHa also used as the Luminance layer EquipmentOpticsTakahashi FSQ-106N RefractorFocal Length530mm @f/5MountAstro-Physics 900GTOCameraSBIG ST-10XMEFocuserRobo-FocusFiltersCFW10A, Astrodon 3nm SII, Ha, OIIISoftwareMaxim DL, Photoshop