ZH (Neděle 28. listopadu 2010)

Dík za program, až budu mít sílu, tak to zkusím porovnat.

Aha, anglická Wikipedie: "In modern astronomy azimuth is nearly always measured from the north. In former times, it was common to refer to azimuth from the south, as it was then zero at the same time the hour angle of a star was zero."