Astronomical Phenomena for the Year 2017

Nautical Almanac Office (U S ) · Nautical Almanac Office United States Naval Observatory

Government Printing Office

À propos de cet e-book

 Updated edition -- Astronomical Phenomena for the Year 2018 is alswo available here: https://bookstore.gpo.gov/products/sku/008-054-00246-3

This small, useful booklet contains general interest material preprinted from The Astronomical Almanac. It is published jointly by the U.S. Naval Observatory and Her Majesty's Nautical Almanac Office two years in advance of its date. It includes such things as:

•dates for Solar equinoxes, solstices, phases of the Moon
•eclipse maps
•dates for various planetary phenomena
•visibility and magnitudes of the planets
•dates for some religious and civil holidays
•chronological eras and cycles
•the equation of time and declination of the Sun
•sunrise/set, moonrise/set times
•the position of Polaris.

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Other products produced by the U.S. Naval Observatory (USNO) can be found here: https://bookstore.gpo.gov/agency/927