Yahoo group moderated by Stuart Williams, F.R.A.S.
Atlas of the heavens as seen by the astronomers of the time of its 1661 printing: Copernicus, Ptolemy, Brahe, and Aratus. Entire book has been digitized and the images may be browsed or searched.
The History chapter of an introductory astronomy course.
Astronomy in Israel from Og's Circle to the Wise Observatory.
The oldest exact astronomic constant? The ratio of earth rotations to lunar orbits in Aryabhata's AD 498 writing.
Historical and modern Japanese astronomy, and its place in Japanese culture
An investigation of the science and history which bear on the mysterious star said to have accompanied the advent of Christ.
Announcements of discussions (in Oakland, California), open to the public, on various astronomy history topics, and an archive of past discussions
Astronomy in Denmark: Brahe, Roemer, Hertzsprung.
An accurate calendar and the progenitor of the sexagesimal (base 60) "degree, minutes, seconds" measurement system.