Great Nebula in Orion (12/31/16)

iOptron SkyTracker with Canon 7D, 70-300mm f/4-5.6L at 300 mm, f/5.6, ISO1600. Trapezium: 16 sec x 100 light frames, 50 dark frames, 50 flat frames, 50 bias frames. Great Nebula: 60 sec x 50 light frames, 30 dark frames, 30 flat frames, 30 bias frames. Stacked with DeepSkyStacker (3x drizzle), composited with Photoshop, final adjustments with Lightroom.

DeepSkyStackerGreat NebulaOrionRunning Man NebulaTrapeziumastrophotographyiOptron Skytracker