NGC6643 in Ursa Major: OGS 14.5" RCT at f/7.9; Luminance: ST-10E bin 1x1; 600s X 7__Color: FLI-DM; R 5 X 300s: G & B 5 X 450s
North is to the Left
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NGC6643 in Ursa Major: OGS 14.5" RCT at f/7.9; Luminance: ST-10E bin 1x1; 600s X 7__Color: FLI-DM; R 5 X 300s: G & B 5 X 450s North is to the Left |