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    Re: B-II Celestial Computer & Three-Minute Adjustments
    From: Joe Plazak
    Date: 2025 Feb 25, 19:23 -0800

    Thank you very much for the scan, Murray. I was only expecting the 51-40 to contain an image or two, but alas, it’s a proper tutorial!  This is very helpful. 

    Dave:  Shooting 7 stars in 13 minutes…wow!

    Gary: I took another look at the one minute adjustments provided by the Polhemus computer. Looking at the example pre-computation form (attached below) in the Polhemus manual, it uses a three minute shooting schedule! The mystery behind three-minute adjustments remains (at least for me). 

    So my new assumption is that one-minute adjustments won the adjustment race; as insinuated by the Navigator article, they are “consonant with any shooting schedule."

    JP

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