Pine Bluff Observatory

This article is about the observatory in Wisconsin. For other uses, see Pine Bluff (disambiguation).
Pine Bluff Observatory
OrganizationUniversity of Wisconsin–Madison
LocationCross Plains, Wisconsin
Coordinates43°04′40″N 89°40′18″W / 43.0777°N 89.6717°W / 43.0777; -89.6717
Altitude362 meters (1,188 ft)
Established1958 (1958)
WebsitePine Bluff Observatory
Telescopes
36-Inch Telescope0.9 m reflector
16-Inch Telescope0.4 m reflector
Pine Bluff Observatory is located in the United States
Pine Bluff Observatory
Location of Pine Bluff Observatory
[edit on Wikidata]

The Pine Bluff Observatory (PBO) is an astronomical observatory located in the town of Cross Plains, Wisconsin (USA) about 24 kilometers (15 mi) west of Madison. PBO is owned and operated by the University of Wisconsin–Madison (UW-Madison). It opened in 1958, and is mainly used by students and faculty of UW-Madison for instruction and research. PBO also provides a facility for testing new instruments.[1] Recent research conducted at PBO includes measuring the lunar sodium tail, monitoring circumstellar disks around Be stars, and studying the warm ionized medium.[2][3][4]

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