Back NGC6888Crescent Nebula Click to display the full resolution Object InfoTypeSupernova RemnantConstellationCygnusDistance5,000 ly Capture DetailsDateSeptember 6, 2009LocationCarlsbad, CAExposureHa 10x15 (bin 1x1) EquipmentOpticsTakahashi FS-60C RefractorFocal Length290mm @f/4.8MountAstro-Physics 900GTOCameraSBIG ST-10XMEFocuserRobo-FocusFiltersCFW10A, Astrodon 6nm SII, Ha, OIIISoftwareMaxIm DL, CCDStack, Photoshop