Back NGC6888Crescent Nebula Click to display the full resolution Object InfoTypeSupernova RemnantConstellationCygnusDistance5,000 ly Capture DetailsDateAugust 24, 2005LocationCarlsbad, CAExposureHa 6x15 (bin 1x1) EquipmentOpticsTakahashi FSQ-106N RefractorFocal Length530mm @f/5MountCelestron CGECameraSBIG ST-2000XMFocuserRobo-FocusFiltersCFW8A, Astrodon 6nm HaSoftwareCCDSoft 5, Photoshop cs