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Weird concentric rings with PST and barlow.
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02-04-2012, 04:33 PM
Poita
(Peter)
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Join Date: Jun 2011
Location: NSW Country
Posts: 3,586
I'll see if I can swap my televue 3x with some people to try out some different models.
I'll give the flats technique a go tomorrow, will help with the hotspot anyway I imagine.
(Will work better than my thong waving technique anyway, I'd wager.)
Poita
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