On 15 November your 1030 ZT DR position is LAT 17°25'S, LONG 42°12'W. You are on course 059°T, speed 22 knots. Determine your 1200 position using the following observations of the Sun. Illustration NP-SUN-01

Zone Time GHA Declination Ho
1128 40°50.4' S 18°33.6' 88°18.4'
1133 42°05.4' S 18°33.6' 88°37.7'

Question

On 15 November your 1030 ZT DR position is LAT 17°25'S, LONG 42°12'W. You are on course 059°T, speed 22 knots. Determine your 1200 position using the following observations of the Sun. Illustration NP-SUN-01

Zone Time GHA Declination Ho 1128 40°50.4' S 18°33.6' 88°18.4' 1133 42°05.4' S 18°33.6' 88°37.7'

Zone Time    GHA         Declination    Ho
1128         40°50.4'    S 18°33.6'     88°18.4'
1133         42°05.4'    S 18°33.6'     88°37.7'

Accepted Answer

LAT 17°06.8'S, LONG 41°44.3'W

Answer

LAT 17°00.0'S, LONG 41°45.8'W

Answer

LAT 17°02.1'S, LONG 41°48.4'W

Answer

LAT 17°08.9'S, LONG 41°40.4'W

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