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keisanHigh-precision calculations for everyday life and work

Moon Position Calculations (Sky Chart)

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Calculates the position of the Moon on a specified date at each observation site in Japan and displays it on a sky chart.
Location
Longitudedegrees,
Latitudedegrees
Year
Year
Month
Day
(1900–2099)
Azimuth: North = 0°, East = 90°, South = 180°, West = 270°.
Assumes a flat horizon; does not account for local topography.
Calculation results may contain an error of a few seconds, which increases at higher latitudes.

References)
Calculations of Sunrise and Sunset by Kō Nagasawa (Author), Chijinshokan
List of AMeDAS Observation Stations Nationwide

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