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High Precision Ephemeris Developed By Astrodienst

The SWISS EPHEMERIS is the high precision ephemeris developed by Astrodienst, largely based upon the DE406 ephemeris from NASA's JPL. Developers can license the Ephemeris library.Ephemeris users find 3200 years of read-made printable files of ephemerides, containing 19'200 print pages in PDF quality. The Swiss Ephemeris is available under a dual licensing model: GPL2 or Swiss Ephemeris Professional License.