History: - March 13, 1937: 18m/350s/Zeiss Model II until 1987
- October 7, 1989: new building/Infinium Alpha + Fulldome
- June 2004: Infinium L + Goto Virtuarium II
- Spring 2019: Infinium Σ (Cosmoleap + Media Globe) - March 2022: Hybrid (Infinium Σ + SkyExplorer)
Last major evolution: 2022: projectors + astronomical software