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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Exercise Lunar Distance with Mercury
From: Jeremy C
Date: 2009 Sep 19, 18:08 EDT
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From: Jeremy C
Date: 2009 Sep 19, 18:08 EDT
I must thank everyone who provided data for me to solve this
one. I got a sight error of 0.2' which isn't too bad.
A ship is sailing in the Southern Seas and observes a lunar
distance between the near limb of the moon and the planet Mercury.
distance between the near limb of the moon and the planet Mercury.
Lat 36 deg 31'S
Long 26 Deg 20.8'E
Crs 246 Spd 15.5 Kts
Long 26 Deg 20.8'E
Crs 246 Spd 15.5 Kts
Index correction is -0.8'
ZD -2
Date 25 August 2009
ZD -2
Date 25 August 2009
The following data was taken for the lunar
Local Time: Ds
18h 45m 42s 41 deg 5.7'
18h 46m 36s 41 deg 6.3'
18h 47m 15s 41 deg 6.1'
18h 48m 00s 41 deg 6.8'
18h 48m 42s 41 deg 7.0'
18h 45m 42s 41 deg 5.7'
18h 46m 36s 41 deg 6.3'
18h 47m 15s 41 deg 6.1'
18h 48m 00s 41 deg 6.8'
18h 48m 42s 41 deg 7.0'
Clear the Lunar Distance
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