NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re:Moonrise-over-Connecticut
From: Antoine Couëtte
Date: 2021 Nov 5, 01:15 -0700
From: Antoine Couëtte
Date: 2021 Nov 5, 01:15 -0700
Good Day to you Bill,
You recently wrote "The ICE refraction corrections for Sun and Moon of -34.0' seem correct for the lower limbs, whilst the -31.0' in Frank's USNO clone seem correct for the body centers."
This statement is true as regards the numbers themselves taken out of their own environment.
I would rather think that your remark is the result of pure chance.
As earlier shown, it looks like the -31.0' value you are quoting is rather the Inverse Refraction value for the Sun Hc at -0°15.2'.
Best Navigational Regards,
Antoine M. "Kermit" Couëtte