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National Solar Observatory

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National Solar Observatory
Established1952 (1952)
Research typebasic
Field of research
Solar Physics
DirectorsValentín Martínez Pillet
Staffaround 150
Address3665 Discovery Drive, 3rd Floor, Boulder, CO, 80303, US
LocationBoulder, Colorado, US
40°00′42″N 105°14′44″W / 40.0117201°N 105.2454644°W / 40.0117201; -105.2454644
Sponsoring agency
National Science Foundation
AffiliationsUniversity of Colorado Boulder
Operating agency
Association of Universities for Research in Astronomy
Websitewww.nso.edu

The National Solar Observatory (NSO) is a United States federally funded research and development center to advance the knowledge of the physics of the Sun. NSO studies the Sun both as an astronomical object and as the dominant external influence on Earth. NSO is headquartered in Boulder and operates facilities at a number of locations – at the 4-meter Daniel K. Inouye Solar Telescope in the Haleakala Observatory on the island of Maui, at Sacramento Peak near Sunspot in New Mexico, and six sites around the world for the Global Oscillations Network Group one of which is shared with the Synoptic Optical Long-term Investigations of the Sun.

NSO provides its observations to the scientific community. It operates facilities, develops advanced instrumentation both in-house and through partnerships, conducts solar research, and carries out educational and public outreach.

Visiting the observatories

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The National Solar Observatory HQ is located on the campus of the University of Colorado, Boulder. It also has some staff on Maui, and Sacramento Peak.

Telescopes operated by the observatory

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Big Bear Solar Observatory

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Haleakala Observatory

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Sacramento Peak

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Global

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Directors

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A list of all NSO directors since the founding of the observatory is given below.

NSO Director Dates in office
Robert Howard 1983–1986
John Leibacher 1986–1992
Jacques Beckers 1993–1998
Steve Keil 1999–2013
Valentín Martínez Pillet 2013–present

History

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The Sacramento Peak observatories were proposed by Donald Menzel of the Harvard College Observatory in 1947, when the U.S. Air Force commissioned a site survey for a suitable facility that would study the higher regions of the Earth's atmosphere. The site, near White Sands Proving Ground, was chosen in 1948. The first equipment to be operated by the Harvard Observatory was installed in 1949, a 6-inch (15 cm) prominence camera, and a flare patrol camera, installed in the Grain Bin Dome.[1]

These instruments were followed by the Evans Solar Facility, or Big Dome, which housed a 16-inch (41 cm) coronograph and spectrograph. In 1963 the Hilltop Dome was built to house additional instruments.[1]

The Sacramento Peak facilities are located in Sunspot, New Mexico. The site's name was chosen by the late James C. Sadler, (1920–2005), an internationally noted meteorologist and professor at The University of Hawaii, formerly with the United States Air Force on assignment during the early inception of the observatory.[2]

For the Solar eclipse of August 21, 2017, NSO enlisted the cooperation of various groups in the Citizen CATE (Continental-America Telescopic Eclipse) experiment to set up more than 60 identical telescopes along the eclipse path, to produce 90 continuous minutes of images, 10 seconds apart, of the Sun's inner corona. This was to provide a clearer understanding of solar plumes and other transient phenomena.[3]

See also

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References

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  1. ^ a b Leverington, David (2013). Encyclopedia of the History of Astronomy and Astrophysics. Cambridge: Cambridge University Press. p. 287. ISBN 978-0-521-89994-9.
  2. ^ Zirker, J. B. (1998). "The Sacramento Peak Observatory". Solar Physics. No. 182. pp. 1–19.
  3. ^ Klotz, Irene. "Citizen scientists will take to the field for U.S. eclipse". U.S. Retrieved 2018-07-06.

Further reading

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