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Pub No. 249 star sight reduction
#1
Just saw that TheNauticalAlmanac.com now has listed the procedure for how to perform a sight reduction using Ho 249/Pub No. 249.

Here it is- Star sight reduction Pub. No. 249 Vol. 1


Looks good.
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Pub No. 249 star sight reduction - by CarlosPindle - 11-11-2016, 01:07 PM

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