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Old 01-01-2019, 09:11 PM
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GUS.K (Ivan)
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GUS.K is offline
 
Join Date: Jun 2014
Location: Medlow Bath
Posts: 555
Nice captures ken, we've had quite a few good proms in the last week. that filament started as a nice prom a few days back with a lot of structure visible at high power through my LS100. What causes the newton rings, i've never encountered them with my asi174.
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