|
It was not until 1980, when Zeiss in West Germany built projectors for the small and medium planetaria. The M 1015 is such a device directed to dome sizes between 10 and 18 meters. It showes 5000 stars till the 6th magnitude as well as a few other stellar objects, e.g. the Andromeda galaxy. The moon exhibits phase changes and surface details. The diurnal and annual motions, the polar height and the precession can be adjusted continuously. The first instrument was given to the William Staerkel planetarium in Champaign (Illinois, USA). In Germany it is presently located in Laupheim, Kassel and the Deutsches Museum in Munich.
|