I have gone over the two moon problems (yes I know since there are only two and who really gives a crap), but I can’t figure out where I’m going wrong.
Page 34 Deck Officer Study Guide, Book 5 Navigation Problems
On 25 Feb, at 0622 ZT, you observe the upper limb of the Moon with a sextant altitude of 59 58.6’. Your DR psn is Lat 30 28.3’ S, Long 102 39.3’ E. Chronometer reads: 11h 21m 18s and is 48s slow. HOE: 59’, IE is 2.5’ on the arc. What is Zn and intercept of the sight using the AP?
Here is what I keep getting for my numbers:
LHA moon = GHA moon + Long = 282 32.3’ + 102 32.3 E = 24
Lat = 30 S
Dec = S 10 56.1
Ho = 60 00.4
Hc = 60 39.0
Zn = 305.4 (this is the only number I get right)
Can someone explain what I’m doing wrong with my Ho and Hc? Thank you