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Hi there, I'm looking for a function that will point to the brightest/darkest time of a polar night / polar day - how do I get it with skyfield?
looking for culmination from here:
https://www…
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I have been using the Topos feature to calculate a rotation matrix from ICRS to an earth-centered, earth-fixed coordinate frame using the following method:
1) Pull position of earth center referenc…
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Hi there,
I love your work! This is an excellent python package. I have also found ephem and pyephem to be useful, though I'm not sure I understand the difference between them all. They all work w…
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I am trying to calculate the solar zenith angle for an array of positions. To do this I am defining a single Time and creating a VectorSum of positions by generating a Topos object with an array of la…
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I built an EarthSatellite object with a TLE. I then tried to call find_events() to a topo location, but received the error that the object had no model.no_kozai attribute. Looking at the source, it lo…
smp55 updated
4 years ago
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In pyephem, you can ask when a satellite will rise, set, and transit. Also whether it never sets or rises.
Are those functions unavailable in the current version of skyfield? Not-yet-implemented or…
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I found predicted moonrise times to be very early (2-3 minutes) compared to observations for negative horizons. In this case, altitude was 1270 m which has an ocean horizon ~ -1.14 deg. This was for …
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I've seen some charting code in the Skyfield. I'm currently working on [fchart3](https://github.com/skybber/fchart3) project. It can handle DB with up to 100M stars but there are no dynamic objects no…
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Thanks for the note, yes, I agree that visibility is an important additional calculation! If you have a moment, open an Issue to track it.
I suspect we'll want visibility to be a separate computati…
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I have a pandas dataframe with telemetry that I want to plot to see where on the planet the telemetry is being received. The data is either iso_time values or datetime values. They look like this: 202…