Links for ephem
ephem-3.7.5.1.tar.gz
ephem-3.7.3.3.tar.gz
ephem-3.7.3.4.tar.gz
3.7.5.1 home_page
3.7.3.3 home_page
3.7.3.4 home_page
3.7.3 home_page
http://rhodesmill.org/pyephem/quick
http://rhodesmill.org/pyephem/
http://www.clearskyinstitute.com/xephem/
http://rhodesmill.org/pyephem/tutorial