Back NGC6820NGC6820 Nebula Click to display the full resolution Object InfoTypeDiffuse NebulaConstellationVulpecula Capture DetailsDateJuly 21, 2017LocationPalomar Mountain, CAExposureSII 12x15, Ha 8x15, OIII 12x14, Lum 5x5, R 5x5, G 5x5, B 5x5 (bin 1x1) EquipmentOpticsDSI RC10C Corrected RC AstrographFocal Length1867mm @f/7.3MountAstro-Physics 900GTOCameraFLI ML-6303EFocuserBuilt-in Secondary FocuserFiltersFLI CFW2-7, Astrodon 3nm SII, Ha, OIII, Gen 2 LRGBSoftwareMaxIm DL, CCDStack, Photoshop