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    Modification to the 2102-D Star-Finder
    From: Sam Chan
    Date: 2001 Apr 26, 11:04 PM

    Marks showing hourly intervals on the edge of the Star-finder white disk is
    often handy to have when do sight planning. This task can be simplified if
    you drill small holes along the edge of the red overlay at every 15 degrees
    starting at 15 degrees. I drilled this pattern of holes to the 180 degrees
    mark. Once the initial LHA of Aries is marked on the white disk, just put
    the red overlay on the white disk, line up the 0 degree mark with the
    initial LHA of Aries, and mark off the hourly interval through the holes.
    Sam Chan

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