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    Re: Flight Levels CelNav; 11/10/2017
    From: Tracy Shrier
    Date: 2018 Jan 16, 21:43 -0800

    David

    I've found that only the brightest night objects allow indirect viewing, the Moon, Venus and Jupiter. Mostly due to getting the bubble illumination low enough to see the reflected celestial object in the combined image. With some paitence, stars can be found in the backyard, but when trying to get a quick series of shots in the plane, it's been hard to find stars indirectly.  I had Enif dead ahead and low last week and even had a somewhat dificult time with a direct viewing sight on it, again, getting the bubble illumnation low enougth to see a fainter star, but then maybe it's my older eyes... 

    However, my goal this month is to develope prior planning skills. To date I've mostly looked out and sighted at what's convenient.  I'm trying to pre-plan sights, to get beter cuts, to use 249/vol.1 stars, and to get tighter sequence times. With a preset altitude on the sextant it might be easier to find a star indirectly, I'll try the next few nights here and let you know how it works. Tracy 

       
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