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$David Iwancio: Re: Refraction:Which formula for Hei ghts below 15°$

Re: Hints2Travellers 1883: graphical LD clearing?
From: Lars Bergman
Date: 2022 Jun 5, 14:22 -0700

After a lot of pondering on the constants 62 and 53 in the graphical clearing of a lunar, I think I have an explanation that seems plausible. Attached.

Lars

File:
Hints-to-travellers-1883.pdf

File:

$David Iwancio: Re: Refraction:Which formula for Hei ghts below 15°$

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