Almanaque Der Sternenhimmel 2012 (livro em alemão)

The starry sky offers amateur astronomers unprecedented detailed and accurate information on the events in the sky. In addition to extensive information on the observation of the sun, moon and planets astronomers find planet finder charts for small as well as information about the progress of occultations of stars by the moon, comets, variable stars, and much more. Unique and unbeatable practical for everyday use is the detailed Astro Calendar - every night for the most important events are listed chronologically.

Hans Roth is a teacher of mathematics, physics and astronomy, as well as a dedicated amateur astronomer. The Swiss Astronomical Society awarded him in 2010 in recognition of his work as a journalist Hans-tube coin. The STERNENHIMMEL he published in 1985.