Glossary

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Don Cross edited this page May 19, 2020 · 2 revisions

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Observation Frames

Astronomy Engine can report positions from three types of viewpoint:

Heliocentric
Geocentric
Topocentric

Coordinate Orientation Systems

There are four coordinate orientations supported by Astronomy Engine:

Ecliptic
Equatorial of Date
Equatorial J2000
Horizontal

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