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33 lines
1.3 KiB
Python
Executable File
33 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# positions.py - by Don Cross - 2019-08-10
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#
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# Example program for Astronomy Engine:
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# https://github.com/cosinekitty/astronomy
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#
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# Given an observer's geographic latitude and longitude,
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# and an optional date and time, this program displays the
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# equatorial and horizontal coordinates of the Sun, Moon, and planets.
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# If the date and time is omitted from the command line, the
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# program uses the computer's current date and time.
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#
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import sys
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from astronomy import Body, Time, Refraction, Equator, Horizon
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from astro_demo_common import ParseArgs
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if __name__ == '__main__':
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observer, time = ParseArgs(sys.argv)
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print('UTC date = {}'.format(time))
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print()
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print('BODY RA DEC AZ ALT')
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body_list = [
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Body.Sun, Body.Moon, Body.Mercury, Body.Venus, Body.Mars,
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Body.Jupiter, Body.Saturn, Body.Uranus, Body.Neptune, Body.Pluto
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]
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for body in body_list:
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equ_2000 = Equator(body, time, observer, ofdate=False, aberration=True)
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equ_ofdate = Equator(body, time, observer, ofdate=True, aberration=True)
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hor = Horizon(time, observer, equ_ofdate.ra, equ_ofdate.dec, Refraction.Normal)
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print('{:<8} {:8.2f} {:8.2f} {:8.2f} {:8.2f}'.format(body.name, equ_2000.ra, equ_2000.dec, hor.azimuth, hor.altitude))
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sys.exit(0)
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