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12 votes
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analemma for a specified lat/long at a specific time of day?

If you're open to using a bit of Python, you can use the following script to generate an analemma for arbitrary times and locations. ...
Roy Smart's user avatar
  • 1,632
9 votes

analemma for a specified lat/long at a specific time of day?

In the desktop version of Stellarium, you can do this on the Ephemeris tab of the Astronomical calculations window. Set the beginning of the date range with the desired time of day, and make the time ...
Mike G's user avatar
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4 votes
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How do various astrophysical models deal with so many orders of magnitude in scale? Are there completely different models for different scales?

An attempt at a partial answer, or perhaps "one possible answer": If I understand correctly, the problem you describe appears in numerical simulations where you have to choose between ...
pela's user avatar
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3 votes

analemma for a specified lat/long at a specific time of day?

Here's a Sage / Python program which creates analemma diagrams using data from JPL Horizons. The azimuth + elevation data is displayed in 3D on a globe, which can be rotated & zoomed. (Sage uses ...
PM 2Ring's user avatar
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2 votes
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How to flatten 3d astronomical coordinates into 2d polar form in Python

The code in question outputs: Name,Distance (AU),Velocity (m/s),Direction (radians) Earth,0.90583,30207.28054,1.76660 Direction is reasonable for January 1 but ...
Mike G's user avatar
  • 18.7k

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