NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Brown's Nautical Almanac c.1900
From: Dave Walden
Date: 2007 May 03, 08:43 -0700
From: Dave Walden
Date: 2007 May 03, 08:43 -0700
"completely useless" I'm not sure. If SD is given (it surely must be!), don't we know: HP=asin(Rearth/Rmoon*sin(SD)) if SD is given to .1', shouldn't HP be good to better than 2 parts in 600 (0.3%)? --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to NavList@fer3.com To , send email to NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---