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Explanatory Supplement to the Astronomical Almanac, 3rd Edition

Sean E. Urban US Naval Observatory
P. Kenneth Seidelmann University of Virginia


List of Errata

Corrections listed have been organized chronologically by page.  The corrected type has been circled or underlined.

If you need help determining whether you have the first or second printing:

You have the FIRST printing if

  • the last digit that appears on the bottom of the copyright page, below the words “Printed in the United States of America,” is  1

You have the SECOND printing if

  • the last digit that appears on the bottom of the copyright page, below the words “Printed in the United States of America,” is  2