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Hi :)
I think I found a bug. Take this example:
```python
from datetime import datetime
from skyfield.api import Topos, load
from skyfield.sgp4lib import EarthSatellite
loc = Topos(latitud…
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Reading from https://rhodesmill.org/skyfield/almanac.html#sunrise-and-sunset
> The result t will be an array of times, and y will be True if the sun rises at the corresponding time and False if it…
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After successfully following directions to install on Linux, got this error:
```
$ python3 skyalmanac.py
Traceback (most recent call last):
File "skyalmanac.py", line 20, in
import tables…
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I have tried installing using pip, pip3 and pip3.7. Everytime I get the message that 'Successfully installed skyfield'.
But when I run the sample program, I get the error. I am using Python 3.7 on…
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Foremost, thanks for coding and maintaining jplephem. It's really an excellent library. In fact, I've implemented [my own ephemeris reader](https://gitlab.com/chrisrabotin/nyx/blob/705761e0ec5a3fa9f8e…
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Hi, in pyephem I had been using the next_transit feature as in this block of code:
```
def set_sun_markers(self):
sun = ephem.Sun()
markers = [str(self.observer.previous_rising(…
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On a fresh install of the Skyfield library, the import the `timelib` module fails with the following stack trace:
```
Traceback (most recent call last):
File "/usr/bin/kosmorro", line 24, in
…
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At the Skyfield documentation https://rhodesmill.org/skyfield/
there is an example with the almanac method *risings_and_settings* at
https://rhodesmill.org/skyfield/examples.html#when-is-a-body-or-…
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I'm want to create temporary positions from alt-az values and calculate its new values some time later. From what I can see on https://rhodesmill.org/skyfield/positions.html I can only create with ICR…
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Hello,
We'd need to use the unix timestamp -2541384000 (year 1889) but it fails with the following:
```
astrometric = place.at(time).observe(self.skyfield_star)
File "/Library/Python/2.7/s…