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[APML] OT: Hartmann Mask

To: astro-photo@seds.org
Subject: [APML] OT: Hartmann Mask
From: centaurus_a@virgilio.it
Date: Mon, 5 Jul 2004 10:50:08 +0200
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Hello All,

I'm very bad at do-it-yourself things but, is there anyone or you knwo any
link on how to build a solid hartmann mask? The one I did once was made
by cartoon and outside in the night it became floppy....:-(
And..which is the best shape to dig for the mask?

regards,
Nicola

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- Re: [APML] OT: Hartmann Mask
  - From: "Stuart Heggie" <stuart.j.heggie@sympatico.ca>

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