NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Sunrise
From: Guus Dekker
Date: 2004 Jul 18, 20:38 +0200
From: Guus Dekker
Date: 2004 Jul 18, 20:38 +0200
What is wrong with my computation about sunrise at Sao Paolo at july 18 2003(three) lat: 24-20 S long: 47 W Nautical Almanac 2003 20 6.11 24,20 X 30 6.27 ------- -------- 10* 17 m Dla = 24.20 - 20 = 4* 20' Table 1 page xxxii 10-4.20-4.30-17-15 --- corr. = 7 m X= 6.11 + 7 = 6h 18m long: = 47* 47*/15* = (ZD)3 x 15* = 45* --------- Dlo 2* conv. arc to time page i 2--- 8 m (w=+) ---------------- SUNRISE 6h 26m (my navigator light 4.1. prog tells me the sunrise = at 6h 50m) ?????? Guus Dekker The Netherlands (Stedum : 53-19,24N 006-41,31E)