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What filter for light pollution/?
Hi all,
I've just started doing astrophotography, using a Canon 600D with 18-200ES lens. At present, I'm not mounting to my scope, just a tripod.
Beginner photos have been OK, but I get a lot of red in the background when I push some processing settings. At first I assumed it was probably noise, but I'm wondering if it could also be light pollution.
If so, does this manifest like noise, or in some other way? If LP does add to the "redness", would using a filter resolve some of this? What filter should I look for?
I'd upload a file, but can't save my jpg in a small enough format on my Mac (can I rename a jp2 file extension??).
David
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