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Hello @kipcole9,
I have a project where I need to compute the sun's azimuth and altitude for a given point and time. Something like [this in pysolar](https://pysolar.readthedocs.io/en/latest/#locat…
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As mentioned in Meeus's book, when interpolating values such as Right Ascension and longitudes, care must be taken when they wrap from 360 degrees (or 24h) to zero (e.g. an increase from 359 to 1 degr…
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Hey! I noticed that this library uses the SunTimesCalculator.java file for sunrise and sunset calculations from the KosherJava library. Why was this Algorithm chosen over the default NOAA Algorithm?
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Depends on #6
In "Astronomical algorithms" by Jean Meeus, parameters are given seconds (HMS) with scale of up to 6. While it might not be necessary, this could add some extra precision to the cal…
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While working using altaz(), I went through your earthlib.py file. It seems at line 148, you dropped an extra decimal.
The correct formula (from Meuss's Astronomical Algorithm, p107) is P/1010 * 2…
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Shalom uvrachah
Hebcal's zmanim calculations diverge significantly from the printed luchot commonly sold in jerusalem
without descending into a lengthy discussion of the halachic merits of the v…
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**Is your feature request related to a problem? Please describe.**
I'm looking for a calculation that's similar to Get_Time_At_Solar_Altitude but instead using azimuth.
**Describe the solution you…
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I just have a couple of small additions to the lunar_eclipses function for your consideration which add functionality at negligible cost. You can see the code for both here: https://github.com/BarryBa…
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Equations from Meeus, chapter 14
- [x] Parallactic angle: Equation 14.1
- [x] Ecliptic and Horizon
- [x] Equation 14.2
- [x] Equation 14.3
- [x] Test case with Example 14.a
- [x] Eclipti…
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Hi there @tsutterley... I noticed a divergence between two definitions on calc_astrol_longitudes.py: equations are identical, but ASTRO5 has T defined in days and MEEUS uses T in centuries.
`if M…