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O'Brien Observatory 
Summary
The O'Brien Observatory (OBO) is an astronomical observatory in the city of Marine on St. Croix, Minnesota, United States, about 35 kilometers (22 mi) northeast of Minneapolis. The observatory is owned and operated by the University of Minnesota and opened in 1968. It has one telescope, a 0.76-meter (30 in) Cassegrain reflector capable of observing at both optical and infrared wavelengths.[1] It is used for primarily for instruction and instrument testing, and occasionally for research purposes.[2]
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| Organization | University of Minnesota | ||
|---|---|---|---|
| Location | Marine on St. Croix, Minnesota | ||
| Coordinates | 45°10′53″N 92°46′33″W / 45.1815°N 92.7757°W | ||
| Altitude | 308 meters (1,010 ft) | ||
| Established | 1968 | ||
| Website | O'Brien Observatory | ||
| Telescopes | |||
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  Location of O'Brien Observatory | |||
See also edit
References edit
- ^ "UMN Infrared Astronomy". University of Minnesota Department of Astronomy. Archived from the original on 2012-02-10. Retrieved 2012-01-10.
- ^ Mason, C. G.; Gehrz, R. D.; Jones, T. J.; Woodward, C E.; Hanner, M. S.; Williams, D. M. (1 March 2001). "Observations of Unusually Small Dust Grains in the Coma of Comet Hale-Bopp C/1995 O1". The Astrophysical Journal. 549 (1): 635–646. Bibcode:2001ApJ...549..635M. doi:10.1086/319039.
External links edit
- Department of Astronomy Infrared Laboratory at the University of Minnesota
- Lee & Rose Warner Nature Center Clear Sky Chart Forecasts of observing conditions approximately 4.5 km west of OBO.
