NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Longitude by Sunrise example
From: Gary LaPook
Date: 2010 Feb 04, 16:47 -0800
From: Gary LaPook
Date: 2010 Feb 04, 16:47 -0800
The table in the N.A. states that it lists the time when the UL is on the horizon for both rising and setting so it appears to be a typo in the article. gl Marcel Tschudin wrote: > Sorry, but I'm not familiar with this method. I only noticed that the > LL doesn't agree with what I generally encounter in the context of > sunrise or sunset and I wasn't sure whether there was somewhere a typo > or not. For 1st July 2009 at 17N and 129E I obtain with my tool the > following setting times using Sinclair's refraction formula (don't > take the seconds too seriously): > > LL@30m: 9:59:20 UT > UL@30m: 10:01:44 UT > > This should correspond to "normal" atmospheric conditions. I hope I > got it correct. > > Marcel > > > > >