20191227 Orion all to date

Camera: Sony A65, Minolta 70-200mm f/2.8 @ 200mm

Composition: 75 stacked frames

Total exposure: 38 minutes (Clark exposure factor ~1500 minutes-cm2 (75x 30s f/2.8 ISO400))

Tracker: Sky-Watcher Star Adventurer

Location: backyard in Adelaide, Australia (red zone according to the DarkSiteFinder light pollution map)

Processing: RawTherapee, DeepSkyStacker, rnc-color-stretch, GIMP

 

Done