My adventure with astrophotography is going quite well except that I'm a dusk and dawn target for mosquitoes. Tracking is improving. Vibration control is improving. here is the Orion Nebula - cropped and uncropped.
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| Orion Nebula uncrossed: ISO 8000 Exposure, 10 sec 400 mm |
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| Cropped: ISO 3200, 5 sec, 400 mm Oct 5 Better tracking ISO 800 60 sec exposure, 200mm 
The boundary around the reddish region is quite interesting. The colors apparently come from UV radiation of hydrogen gas (ionized Hydrogen, H II)
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