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Old 03-04-2014, 08:01 PM
raymo
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raymo is offline
 
Join Date: Sep 2011
Location: margaret river, western australia
Posts: 6,070
Iget it in virtually every shot once I've got a few shots under my belt in
any session. It is a specific shape, and always in a specific place. It starts
about a third of the way along the bottom edge of the image, and finishes
about two thirds of the way along. It heads up at an angle from each of
the two points to form a cone like shape which is about 1/4 of the image's width at the top of the cone. I don't get it in the first few images.
The sky has no visible gradient in the direction of M83. My house is in darkness, and I have a very long matt black tube fitted to my scope,
so I'm presuming that it's amp glow.
raymo
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