Pine Bluff Observatory

This article is about the observatory in Wisconsin. For other uses, see Pine Bluff (disambiguation).

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]

Pine Bluff Observatory

Organization	University of Wisconsin–Madison
Location	Cross Plains, Wisconsin
Coordinates	43.0777°N 89.6717°W / 43.0777; -89.6717
Altitude	362 meters (1,188 ft)
Established	1958 (1958)
Website	Pine Bluff Observatory
Telescopes
36-Inch Telescope 0.9 m reflector 16-Inch Telescope 0.4 m reflector
Location of Pine Bluff Observatory

See also

• Washburn Observatory
• List of astronomical observatories