Another failed observation


I am taking a break.
I tried to take a mid-day height, but the clouds came with some rain.
I couldn’t really get the shades of the sextant to work, so my eye was hurting after fifteen minutes of trying. I found the sun, started bringing it to the horizon, but i got to about 50 degrees, and then I lost it. Again and again. I don’t know if it was the waves or my hand getting tired. The sun is quite high up here. But I don’t know how high yet. Close to 90 i would say.
Here is a math exercise
What is my longitude when the Meridian passage is at 17:57 UTC?
(Meridian passage at Greenwich is at 11:52 today, the 09.12.15




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