<https://www.flickr.com/photos/24844563@N04/15285876780/in/photostream/lightbox/>
Telescope? I ain't got no steenkin' telescope. This was taken with a
1970s-vintage Vivitar 300/5.5 and a Tokina teleconverter on a
tripod-mounted Oly E-M5, so equivalent full-frame focal length is
1200mm. The posted picture is about 64% of the frame by linear
measurement, or 41% by area.
There was a thin haze in the air, but this being the Pacific Northwest,
I decided to seize the opportunity of a relatively clear night anyway.
The original image was a bit soft at 1:1. I extracted the green
channel*, ran it through Focus Magic, which really brought out the
details, then some conventional rotation, curves and contrast enhancement.
--Peter, returning to the LEM
* Drastically reduces CA-related softness, and the green channel has 2x
more pixels than the others. This was visibly more effective than just
using Capture One's "color fringing" compensation.
--
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