data services

Note: Many of the links on this page have been disabled until a new cloud-based hosting service can be established.
We apologize for the inconvenience this may cause.

Many of these calculations may be found on the website of our Almanac partner in the UK, Her Majesty's Nautical Almanac Office (HMNAO).
A link to these services may be found

Rise/Set/Transit/Twilight Data

Phases of the Moon

Eclipses and Transits

Positions of Selected Celestial Objects

Synthetic Views of the Earth and Solar System Bodies


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