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    Re: The Rude Star Finder and teaching stars
    From: Frank Reed
    Date: 2010 Nov 7, 01:18 -0700

    Gary, you wrote:
    "The case for my 2102-D is marked 2101-D, was there a model with that name and what were the differences?"

    I don't know, but I would bet my chips on a printing error on the case. Earlier versions of the Rude Star Finder were 2102-A,B,C. I haven't seen any of these that I can recall, but I understand they were different sizes (the A was the largest?). It's hard to imagine how an organization like the Hydrographic Office could go from 2102-D to 2101-D, but a printing screw-up... Now that's easy to imagine!

    By the way, no doubt it's been mentioned, but the Rude Star Finder is a special case of a "planisphere". Lots of companies make these for various latitudes. Amazon.com sells a bunch. They're easier to use than the Rude Star Finder --literally child's play (in part because they don't usually worry about the difference between Zone Time and LMT). They don't come with alt-azm overlays (just a horizon "porthole"), but that sounds like a perfect job for your color printer and some transparencies, Gary. :)

    -FER


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