NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Randall Morrow
Date: 2013 Nov 17, 19:52 -0800
I am not sure what you are referring to. An "oservation" is the measure of an altitude with a sextant, plus noting time to the nearest second. This usually takes less than a minute at most. My 5000 includes sights of sun, stars, planets, lunar distance, sun index correction sights etc. Most were reduced by USNO, others by 229 and LOC. It has taken just over 3 years doing this as a hobby to get to this point. It is a fascinating and absorbing passtime.
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