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The HOROS -- program written by Gleb V. Nosovskij, Moscow State University

HorosHOROS v1.04h is a Windows program for dating ancient horoscopes. The interface for this program was created by Mande Leung (our technical assistant).

The program HOROS is based on an astronomical subroutine called PLANETAP, which uses an algorithm developed by French astronomers J.L. Simon, P. Bretagon, J. Chapront, M. Chapront, G. Francou, and J. Laskar.

The program and the interface are freeware but are copyrighted.