
NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Yves Robin-Jouan
Date: 2013 Apr 21, 10:55 -0700
Hello Greg,
Using ASTROLAB with your data (plus ACRUX Dec = 63° 5.94'S), I got the following results :
DIPHDA + ACRUX + JUPITER : 25° 10.2'S 178° 40.9'E, radius = 0.15 NM
MOON + SUN (5 hours later): 25° 26.1'S 176° 51'E
5 sights with transport : 25° 28.5'S 176° 54.6'E, radius = 2.2 NM (!)
The last line integrates a shift of near 94 NM between Jupiter and Moon sights !
DOP is 1.9 for the 3 first sights, and is reduced to 1.4 for 5 sights.
Regards,
Yves Robin-Jouan
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