The CGIs used to calculate almanac information are based on the C code distributed with the book "Astronomical Algorithms" by Jan Meeus. The following notice applies to that code:
Copyright (c) 1991-1994 by Jeffrey Sax
All rights reserved
Published and Distributed by
Willmann-Bell, Inc.
P.O. Box 35025
Richmond, Virginia 23235
Voice (804) 320-7016 FAX (804) 272-5920
