NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Randall Morrow
Date: 2014 Mar 13, 07:56 -0700
A round of sights with opene sight tube can yield very good results:
Reduction by UNSO/LOC
DR by GPS 35*19.4 N 119*05.5 W
12Mar14
Moon UL with mirror AH
HS 108*22.6
IC -.24'
Ref sum +46.2
Hc 54*26.1
a= 1.0 nm toward
Sirus
Hs75*51.0
Ic same
Ref 1.3
Hc37*54.5
a= 0.7 nm away
Rigel
Hs 78*43.6
IC same
Ref -1.2
Hc 39*20.5
a= 2.7 nm away
An article I read stated that quality of horizon is the most significant source of errors in cel-nav. There was no benfit found in increased magnification for normal sights. Open tube sightscan be as accurate as needed for practical purposes.
Randy
----------------------------------------------------------------
NavList message boards and member settings: www.fer3.com/NavList
Members may optionally receive posts by email.
To cancel email delivery, send a message to NoMail[at]fer3.com
----------------------------------------------------------------
