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    Re: Angular Distance Between Stars By Camera and Sextant
    From: Greg Rudzinski
    Date: 2012 Sep 16, 15:18 -0700

    Marcel,

    I'm trying to keep to simple hand held methods. The best way would be a motorized tripod set to latitude that has the camera shutter held open. This would provide flexibility for ISO and f stop settings. No room or money for smart tripod gear though. I'm satisfied with the hand held lunar camera trial results so far and will be trying for a full lunar calibration series using the 50 mm lens.

    Greg Rudzinski

    [NavList] Re: Angular Distance Between Stars By Camera and Sextant
    From: Marcel Tschudin
    Date: 16 Sep 2012 23:51
    Greg,

    Regarding

    Calibrating the camera using low magnitude stars isn't going to work since the star images are fat and not symmetrical.

    Looking at your image suggests that by using a tripod and a slightly faster shutter speed you should obtain star images which should be useful for calibration.

    Marcel

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