NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Skyfield
From: Josh Paterson
Date: 2018 Oct 23, 16:42 -0700
From: Josh Paterson
Date: 2018 Oct 23, 16:42 -0700
Using the method in skyfield.almanac I get:
2018-Dec-21 22:22:44.1118 UT
Here's the part of the documentation describing how to get this result: https://rhodesmill.org/skyfield/almanac.html#the-seasons
I'm a contributor to skyfield and I recently submitted a pull request discussing an alternative method of doing this calculation. With the alternative method I get:
2018-Dec-21 22:22:44.1260 UT
For more info about this alternative approach see the pull request here: https://github.com/skyfielders/python-skyfield/pull/211