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Suburban Helix
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12-09-2020, 03:10 PM
raymo
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Join Date: Sep 2011
Location: margaret river, western australia
Posts: 6,070
I'm surprised at how faint the colours are for 90 sec subs; your scope is a bit smaller than mine was, and my skies were Bortle 4, but the colours were quite vivid with 30 sec subs at same ISO.Must be the filters.
raymo
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