TrueSky puts two things side by side: real-time astronomy, computed on your own device, and astrology, three thousand years of people reading the sky.
ASTRONOMYReal-time astronomy for your place: what is up now, rise and set, viewing conditions, eclipses, meteor showers, the calendar.
ASTROLOGYAstrology as different cultures have practised it, seen from a Western starting point and labelled as readings, on the same computed positions. Other systems appear where they have earned a place here, not on every page.
Above your horizon nowCOMPUTED
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Seen only from orbitDERIVED
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The brightest star up nowDERIVED
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The small tags say how we know each number. Computed: straight from the star catalogue and the planets' orbits. Derived: plain arithmetic on those numbers, which you could redo yourself. All five labels
Four ways in
ASTRONOMYLive astronomyReal-time astronomy for where you are: rise and set times, cloud cover, eclipses and meteor showers.
ASTRONOMYThe calendarEvery Moon phase, eclipse, meteor shower and solar term to 2035.
BLOGThe blogPosts on the sky and on three thousand years of reading it, with the arithmetic checked.COMING SOON
ASTROLOGYThree zodiacs, one skyThe same Moon, three different signs, all computed correctly.