Orion Nebula

Taken on iOptron SkyTracker with Canon 5D Mark III, Canon 400mm f5.6L, Canon EF 1.4X III in Katy, TX (Houston suburb with high light pollution)

 

560mm, f8, ISO 4000, 30 sec exposures

7 images stacked in DeepSkyStacker & processed in Photoshop cc 2014, cropped ~45%

Done