Back IC4603IC4603 Nebula Click to display the full resolution Object InfoTypeReflection NebulaConstellationOphiuchus Capture DetailsDateJune 4, 2016LocationPalomar Mountain, CAExposureR 3x10, G 3x10, B 3x10 (bin 1x1) EquipmentOpticsDSI RC10C Corrected RC AstrographFocal Length1867mm @f/7.3MountAstro-Physics 900GTOCameraFLI ML-6303EFocuserBuilt-in Secondary FocuserFiltersFLI CFW2-7, Astrodon Gen 2 LRGBSoftwareMaxim DL, CCDStack, Photoshop