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 Post subject: Hartmann masks etc
PostPosted: Sat Jun 01, 2019 5:18 pm 
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Joined: Tue Dec 05, 2017 11:53 am
Posts: 488
I found this site when looking for focussing ideas



http://www.astropix.com/html/i_astrop/f ... thods.html

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Celestron 8" Edge HD Evolution, Esprit 120mm triplet, 72mm APO, Sky Tee 2, 6" reflecting scope, William Optics Binoviewer, Quark Daystar Ha Chromosphere on 72mm ED, LVW8mm eyepiece and Celestron 19mm Axiom, matched W.O 10 and 20mm, and a few others, D4s, D810,

For info, I am Autistic, Aspergers, ADHD, therefore if I come over as a little "short" on occasions it is not intended, thank you


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 Post subject: Re: Hartmann masks etc
PostPosted: Sun Jun 02, 2019 4:32 pm 
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Joined: Fri Dec 03, 2004 9:58 pm
Posts: 3529
Location: Wellingborough
Useful site :)

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Brian
52.3N 0.6W
Wellingborough UK.

254mm LX90 on Superwedge, WO ZS66SD, Helios 102mm f5 on EQ1, Hunter 11x80, Pentax 10x50
ASI120MC Toucam Pros 740k/840k/900nc mono, Pentax K110D
Ro-Ro roof shed


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