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I was tried to do calculates based on topocentric coordinates, but example code:
`boston = earth + Topos('42.3583 N', '71.0636 W')`
throws an error "TypeError: please provide either latitude_degrees…
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For Reasons, I'm stuck on 2.6 for now. I don't want to use any planetary stuff, which seems to be what the JPL library is about. Is there a way to avoid requiring it?
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I just tried to import the stars using `skyfield.data.hipparcos.load`. It downloads the file and then loads the first 420 stars, but throws ValueError on star 421. Looking at the data file some of t…
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I was unable to load the timescales as I have no access to http://maia.usno.navy.mil/ser7/deltat.data or http://maia.usno.navy.mil/ser7/deltat.preds. Only USA proxies can access this sites. I was able…
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Hey all!
I'm using Skyfield to predict the positions of some satellites I'm interested in. I use the following code snippet to detect if a satellite will be over the horizon at time `t`:
…
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**[Original report](https://bitbucket.org/wxmetvis/mss/issue/444) by Sonja G (Bitbucket: [Sonja G](https://bitbucket.org/Sonja G), ).**
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Topview works when st…
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**[Original report](https://bitbucket.org/wxmetvis/mss/issue/383) by Reimar Bauer (Bitbucket: [ReimarBauer](https://bitbucket.org/ReimarBauer), GitHub: [ReimarBauer](https://github.com/ReimarBauer)).*…
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```
Traceback (most recent call last):
File "/app/.heroku/python/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
worker.init_process()
File "/app/.heroku/python…
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**[Original report](https://bitbucket.org/wxmetvis/mss/issue/374) by Jens-Uwe Grooß (Bitbucket: [grooss](https://bitbucket.org/grooss), GitHub: [grooss](https://github.com/grooss)).**
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Hello,
It probably is my ignorance, but it's been 3 days that I'm trying to calculate subsolar and sublunar points, at no avail.
I do not seem to be able to produce a geocentric object from the …