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  • Re: gray scale histogram

    Sorry Jack but the English of this post does not make much sense. I'm guessing that you posted the histogram of what you expected. Can you also post the

    atmpob 1 day ago
  • Re: gray scale histogram

    Like this one No realy And do not know why Jack From: atm_free@yahoogroups.com [mailto:atm_free@yahoogroups.com] Sent: 4 mai 2015 11:42 To:

    savardjacques@ymail.com 1 day ago
  • Re: gray scale histogram

    Ok I espect the histogram look like a stair way like the one we used for testing a tv cam and grenerated by electronic A stair ray test chart give a

    savardjacques@ymail.com 1 day ago
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Group Description

This Group is for the FREE exchange of ideas related to Amateur Telescope Making (ATM).

Have fun, be kind, play fair, learn, teach, participate.

Here's a contributed photo of a homemade 22 inch tube (before painting) for an Astrograph built by Dave Tandy. The full size photo can be viewed by ATM_FREE members in the "Photos" section. Check out the ATM_FREE Group's discussion for more info on this project and other things we are doing.

Ken Hunter

Group Information

  • 1576
  • Telescopes
  • Jun 1, 2002
  • English

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