Observatory Schwabische sternwarte (48.78246, 9.19645) and Welzheim sternwarte (48.87404, 9.59622)
Lasershow Lobo Lacon-5 tridome laser Frequenting: 220000 people per year
History: - May 16, 1928: Zeiss 23/1
- April 22, 1977: new building 20m/277s/Zeiss VI-A on lift (Wilfried Berck-Erlang architect)
- December 3, 1988: new name: Carl Zeiss Planetarium
- 2001: Zeiss IX
- 2007: Fulldome Laser - 2009: Fulldome video prototype
- Spring 2015: closed for total renovation (5.2 millions euros)
- April 23, 2016: re-opening
- August 2022: 9 new Velvet Led