Apparent vs. "True" Achronycal and Cosmical Rising/Setting
Asked by
Anthony Kaye
Although I think the calculations for the heliacal rising/setting seem to be correct, the acronycal rise/set and cosmical rise/set dates seem to be almost six months different when compared to other calculations of the same object at the same location, same elevation, and same year.
Is it possible that Stellarium is computing a "true" acronycal rise/set and a "true" cosmical rise/set instead of apparent dates? If so, what is the necessary correction?
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- English Edit question
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- Stellarium Edit question
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