NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Star Identification
From: Gary LaPook
Date: 2008 Jul 30, 02:09 -0700
From: Gary LaPook
Date: 2008 Jul 30, 02:09 -0700
Attached are some pages with infomation about the A-10 and the A-10 a. gl bruce hamilton wrote: >I just received an A-10 that I got for cheap on E-bay. Well, most of one >as is is missing the averaging mechanism, but as I plan to use it with >my feet firmly planted on the ground, I don't need that bit. I also >managed to coax a bubble out of it too. I must say that it is the best >thing for us urban dwellers with no horizon handy. I might get a >calibrated A-12 next as I love the concept. Put the body in the center >of the bubble and I have a reading. Very nice! I am a bubble sextant fan >now. > >I have one question for someone who has used one (A-10) before. What is >the use of the frosted glass that swings over the top of the bubble >column? Mine has some faint lines on it, but it seems to me that if the >body is in the bubble, no other reference is needed. As well, it seems >to me if I peek to the left of the view, I could see a natural horizon, >if I had one. Is this possible or a pipe dream? > >Another question. Last night, I could get a reading from a single star >through a single whole in the clouds. My star identification skills are >still poor, and those circumstances were beyond me. Is there a quick and >dirty way to take that single observation and find what star I was >looking at using the observation, an Almanac a watch and calculator? I >think I found the star in the site plan section of Celest Nav on my palm >pilot, but I would like to be able to do it without. > >Thank You > >Bruce Hamilton >Vancouver, BC > > > >> > > > --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---