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Technical
Digital system Sky-Skan : Definiti
Software: DigitalSky 2
Video system CRT : 5+1
Dome: Spitz Seamless
Seat: Removable seats
Facilities
Other: ImaxDome: 350s/30deg/April 5, 1990 (other room)
Observatory Joel N. Bloom Observatory: rolling roof: 10-inch Zeiss refractor
Operation
History
- November 1, 1933: 20.2m/350s/Zeiss Mark II
- 1962: 400s/Zeiss IV until 1986
- 2002: Seamless dome 18.3m/Digistar II
- 2004: Digital
- 2013: more than 9 million visitors (80 years)
Last major evolution: 2004: Digital
Comments
which projector system between 1986 and 2002?
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Latitude: 39°57'31" N -
Longitude: 75°10'23" W -
Altitude: 11m
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