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Thanks for the comments folks. Not my first image but I'm still climbing the learning curve!
Here's another one from last Friday night. This time with 15 minutes total integration time and a different lens with a smaller maximum aperture. I'm still not sure how to best size my images for upload. I reduced this one to 204kB before uploading but I see IIS is reporting it as 65kB.
Camera: Sony A65
Lens: Minolta 100-200mm f/4.5
Composition: 15 stacked frames
Total exposure: ~60 minutes-cm2 (15x 60s f/4.5 100mm ISO1600)
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