National Solar Observatory
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The National Solar Observatory (NSO) is a
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
public
research institute A research institute, research centre, research center or research organization, is an establishment founded for doing research. Research institutes may specialize in basic research or may be oriented to applied research. Although the term often i ...
to advance the knowledge of the
physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...
of the
Sun The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radi ...
. NSO studies the Sun both as an
astronomical object An astronomical object, celestial object, stellar object or heavenly body is a naturally occurring physical entity, association, or structure that exists in the observable universe. In astronomy, the terms ''object'' and ''body'' are often us ...
and as the dominant external influence on
Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...
. NSO is headquartered in
Boulder In geology, a boulder (or rarely bowlder) is a rock fragment with size greater than in diameter. Smaller pieces are called cobbles and pebbles. While a boulder may be small enough to move or roll manually, others are extremely massive. In c ...
and operates facilities at two locations - at the 4-meter
Daniel K. Inouye Solar Telescope The Daniel K. Inouye Solar Telescope (DKIST) is a scientific facility for studies of the sun at Haleakala Observatory on the Hawaiian island of Maui. Known as the Advanced Technology Solar Telescope (ATST) until 2013, it was named after Daniel K. ...
in the Haleakala Observatory on the island of Maui, and at
Sacramento Peak Cathey Peak is a peak in the Sacramento Mountains (New Mexico), Sacramento Mountains, in the south-central part of the U.S. State of New Mexico. It lies in Otero County, New Mexico, Otero County, southeast of the community of Alamogordo, New Mexi ...
near Sunspot in
New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ker ...
. 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

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 Cathey Peak is a peak in the Sacramento Mountains (New Mexico), Sacramento Mountains, in the south-central part of the U.S. State of New Mexico. It lies in Otero County, New Mexico, Otero County, southeast of the community of Alamogordo, New Mexi ...
.


Telescopes operated by the observatory


Haleakala Observatory

*
Daniel K. Inouye Solar Telescope The Daniel K. Inouye Solar Telescope (DKIST) is a scientific facility for studies of the sun at Haleakala Observatory on the Hawaiian island of Maui. Known as the Advanced Technology Solar Telescope (ATST) until 2013, it was named after Daniel K. ...


Sacramento Peak

* See
Sunspot Solar Observatory The Sunspot Solar Observatory (SSO) is an astronomy, astronomical observatory designed for the study of the Sun. The observatory is operated by New Mexico State University (NMSU) and the U.S. National Solar Observatory (NSO). It is split between o ...
for the telescopes located there


Global

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Global Oscillation Network Group The Global Oscillation Network Group (GONG) is a worldwide network of six identical telescopes, designed to have 24/7 observations of the Sun. The network serves multiple purposes, including the provision of operation data for use in space weather ...


Directors

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


History

The Sacramento Peak observatories were proposed by
Donald Menzel Donald Howard Menzel (April 11, 1901 – December 14, 1976) was one of the first theoretical astronomers and astrophysicists in the United States. He discovered the physical properties of the solar chromosphere, the chemistry of stars, the atmos ...
of the
Harvard College Observatory The Harvard College Observatory (HCO) is an institution managing a complex of buildings and multiple instruments used for astronomical research by the Harvard University Department of Astronomy. It is located in Cambridge, Massachusetts, United St ...
in 1947, when the
U.S. Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Sign ...
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 White Sands Missile Range (WSMR) is a United States Army military testing area and firing range located in the US state of New Mexico. The range was originally established as the White Sands Proving Ground on 9July 1945. White Sands National Pa ...
, was chosen in 1948. The first equipment to be operated by the Harvard Observatory was installed in 1949, a prominence camera, and a flare patrol camera, installed in the Grain Bin Dome. These instruments were followed by the Evans Solar Facility, or Big Dome, which housed a coronograph and spectrograph. In 1963 the Hilltop Dome was built to house additional instruments. The Sacramento Peak facilities are located in
Sunspot, New Mexico Sunspot is an Unincorporated area, unincorporated community in the Sacramento Mountains (New Mexico), Sacramento Mountains in the Lincoln National Forest in Otero County, New Mexico, Otero County, New Mexico, United States, about south of Cloud ...
. The site's name was chosen by the late James C. Sadler, (1920–2005), an internationally noted
meteorologist A meteorologist is a scientist who studies and works in the field of meteorology aiming to understand or predict Earth's atmospheric phenomena including the weather. Those who study meteorological phenomena are meteorologists in research, while t ...
and professor at The
University of Hawaii A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, th ...
, formerly with the
United States Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal ...
on assignment during the early inception of the observatory. For the
Solar eclipse of August 21, 2017 The solar eclipse of August 21, 2017, dubbed the "Great American Eclipse" by the media, was a total solar eclipse visible within a band that spanned the contiguous United States from the Pacific to the Atlantic coasts. It was also visible as a ...
, 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 Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 di ...
. This was to provide a clearer understanding of solar plumes and other transient phenomena.


See also

*
List of astronomical observatories This is a list of astronomical observatories ordered by name, along with initial dates of operation (where an accurate date is available) and location. The list also includes a final year of operation for many observatories that are no longer in ...


References


Further reading

* *


External links


Daniel K. Inouye Solar Telescope

NSO Integrated Synoptic Program
* {{Authority control Astronomy in the United States Astronomy institutes and departments Astronomical observatories in Arizona Astronomical observatories in New Mexico Buildings and structures in Otero County, New Mexico Buildings and structures in Pima County, Arizona Federally Funded Research and Development Centers Laboratories in the United States National Science Foundation Science and technology in Colorado Science and technology in Hawaii Science and technology in the United States Research institutes in Colorado Solar observatories Tourist attractions in Otero County, New Mexico University of Colorado Boulder 1952 establishments in the United States