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    Re: Whole Horizon Mirrors
    From: Greg Rudzinski
    Date: 2011 Apr 23, 21:09 -0700

    Lu,

    A daytime planet observation requires a good scope for sure. Normally it would take a good scope and a split mirror horizon to pull off a daytime Jupiter observation so I was just surprised that the whole horizon had enough light transmitting ability to make the observation. I can only recommend the Cassens & Plath whole horizon not having tried any other brands.

    Greg Rudzinski

    [NavList] Re: Whole Horizon Mirrors
    From: luabel---com
    Date: 23 Apr 2011 20:45

    Greg and James:

    Your pair of emails are an excellent example of the controversy of whole-horizon mirrors. But I do have to ask Greg whether his ability to capture a daytime sight of Jupiter was due to using a whole-horizon mirror or something else -- like using a scope on a high-quality sextant.

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