Explanatory Supplement
to the Astronomical Almanac

Edited by
P. Kenneth Seidelmann
U.S. Naval Observatory

Now available in paperback

"Highly recommended to all persons seriously involved in astronomical calculation. They surely will use it intensively."
--Sky & Telescope

The Explanatory Supplement provides a detailed description of how to perform practical astronomy or spherical astronomy. This completely revised and rewritten edition is an authoritative source on astronomical phenomena and calendars. 

Although this paperback edition carries a 2006 copyright date, it is the same material published in 1992 hardcover edition.

ISBN 978-1-891389-45-0, 2006, 752 pages
List Price US$86.00
Publisher's Discount Price US$73.10

*Hardcover edition is out of print


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List of Errata