The
Harvard College Observatory (HCO) is an institution managing a complex of buildings and multiple instruments used for
astronomicalAstronomy is the scientific study of celestial objects and phenomena that originate outside the Earth's atmosphere...
research by the
Harvard UniversityHarvard University is a private university located in Cambridge, Massachusetts and a member of the Ivy League. Founded in 1636 by the colonial Massachusetts legislature, Harvard is the oldest institution of higher learning in the United States and currently comprises ten separate academic units...
Department of Astronomy. It is located in
CambridgeCambridge is a city in Middlesex County, Massachusetts, United States, in the Greater Boston area. It was named in honor of the University of Cambridge in England, a nexus of the Puritan theology embraced by the town's founders. Notably, Cambridge is home to two internationally prominent...
,
MassachusettsThe Commonwealth of Massachusetts is a state in the New England region of the northeastern United States. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. Most of its population of...
, USA, and was founded in 1839. With the
Smithsonian Astrophysical ObservatoryThe Smithsonian Astrophysical Observatory is a research institute of the Smithsonian Institution headquartered in Cambridge, Massachusetts, where it is joined with the Harvard College Observatory to form the Harvard-Smithsonian Center for Astrophysics .-History:The SAO was founded in 1890 by...
, it forms part of the
Harvard-Smithsonian Center for AstrophysicsThe Harvard–Smithsonian Center for Astrophysics is one of the largest and most diverse astrophysical institutions in the world, where scientists carry out a broad program of research in astronomy, astrophysics, earth and space sciences, and science education...
.
HCO houses a collection of approximately 500,000 astronomical plates taken between the mid-1880s and 1989 (with a gap from 1953-68).
The
Harvard College Observatory (HCO) is an institution managing a complex of buildings and multiple instruments used for
astronomicalAstronomy is the scientific study of celestial objects and phenomena that originate outside the Earth's atmosphere...
research by the
Harvard UniversityHarvard University is a private university located in Cambridge, Massachusetts and a member of the Ivy League. Founded in 1636 by the colonial Massachusetts legislature, Harvard is the oldest institution of higher learning in the United States and currently comprises ten separate academic units...
Department of Astronomy. It is located in
CambridgeCambridge is a city in Middlesex County, Massachusetts, United States, in the Greater Boston area. It was named in honor of the University of Cambridge in England, a nexus of the Puritan theology embraced by the town's founders. Notably, Cambridge is home to two internationally prominent...
,
MassachusettsThe Commonwealth of Massachusetts is a state in the New England region of the northeastern United States. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. Most of its population of...
, USA, and was founded in 1839. With the
Smithsonian Astrophysical ObservatoryThe Smithsonian Astrophysical Observatory is a research institute of the Smithsonian Institution headquartered in Cambridge, Massachusetts, where it is joined with the Harvard College Observatory to form the Harvard-Smithsonian Center for Astrophysics .-History:The SAO was founded in 1890 by...
, it forms part of the
Harvard-Smithsonian Center for AstrophysicsThe Harvard–Smithsonian Center for Astrophysics is one of the largest and most diverse astrophysical institutions in the world, where scientists carry out a broad program of research in astronomy, astrophysics, earth and space sciences, and science education...
.
HCO houses a collection of approximately 500,000 astronomical plates taken between the mid-1880s and 1989 (with a gap from 1953-68). This 100-year coverage is a unique resource for studying temporal variations in the universe. A project currently is underway to digitally scan and archive these photographic plates.
History
In 1839, the Harvard Corporation voted to appoint
William Cranch BondWilliam Cranch Bond was an American astronomer, and the first director of Harvard College Observatory.- Upbringing :William Cranch Bond was born in Falmouth, Maine on September 9, 1789...
, a prominent Boston clockmaker, as "Astronomical Observer to the University" (at no salary). This marked the founding of the Harvard College Observatory. HCO's first telescope, the 15-inch Great Refractor, was installed in 1847.
Between 1847 and 1852 Bond and pioneer photographer
John Adams WhippleJohn Adams Whipple was an American inventor and early photographer. He was the first in the United States to manufacture the chemicals used for daguerreotypes; he pioneered astronomical and night photography; he was a prize-winner for his extraordinary early photographs of the moon; and he was the...
used the
Great RefractorGreat refractor is a general style of telescope, an era in telescope use, and a cultural phenomenon in the 19th and early 20th century. Great refractors were large optical telescopes using achromatic lenses . They were usually the largest in the world, or largest in a region...
telescope to produce images of the moon that are remarkable in their clarity of detail and aesthetic power. This was the largest telescope in the world at that time, and their images of the moon took the prize for technical excellence in photography at the 1851
Great ExhibitionThe Great Exhibition of the Works of Industry of all Nations or Great Exhibition, sometimes referred to as the Crystal Palace Exhibition in reference to the temporary structure in which it was held, was an international exhibition that took place in Hyde Park, London, England, from 1 May to 15...
at
The Crystal PalaceDesigned by Joseph Paxton, the Great Exhibition building was long, with an interior height of .After the exhibition, the building was moved to a new park in a high, healthy and affluent area of London called Sydenham Hill, an area not much changed today from the well-heeled suburb full of large...
in
London[]London is the capital of England and the United Kingdom. It has been a major settlement for two millennia, and the history of London goes back to its founding by the Romans, when it was named Londinium. London's core, the ancient City of London, the 'square mile', retains its medieval boundaries...
. On the night of July 16-17, 1850, Whipple and Bond made the first
daguerreotypeA daguerreotype is an early type of photograph, developed by Louis Daguerre, in which the image is exposed directly onto a mirror-polished surface of silver bearing a coating of silver halide particles deposited by iodine vapor. In later developments bromine and chlorine vapors were also used,...
of a star (Vega).
Harvard College Observatory is historically important to astronomy, as many women including
Annie Jump CannonAnnie Jump Cannon was an American astronomer whose cataloging work was instrumental in the development of contemporary stellar classification. With Edward C...
,
Henrietta Swan LeavittHenrietta Swan Leavitt was an American astronomer. A graduate of Radcliffe College, Leavitt went to work in 1893 at the Harvard College Observatory in a menial capacity as a "computer", assigned to count images on photographic plates...
, and
Cecilia Payne-GaposchkinCecilia Payne-Gaposchkin was an English-American astronomer who in 1925 was first to show that the Sun is mainly composed of hydrogen, contradicting accepted wisdom at the time.-Early life:...
performed pivotal
stellar classificationIn astronomy, stellar classification is a classification of stars based on its spectral characteristics. The spectral class of a star, is a designation of a class to a star describing the ionization of its chromosphere, what atomic excitations are most prominent in the light, giving an objective...
research. Cannon and Leavitt were hired initially as "
computerBefore electronic computers became commercially available, the term "computer", in use from the mid 17th century, literally meant "one who computes": a person performing mathematical calculations...
s" to perform calculations and examine stellar photographs, but later made insightful connections in their research.
In 1908, the observatory published the Harvard Revised Photometry Catalogue, which gave rise to the
HR star catalogue, now maintained by the
Yale University Observatory-History:Yale's first observatory, the Atheneum, was situated in a tower, which from 1830 housed Yale's first and America's largest refractor, a Dollond donated by Sheldon Clark. With this telescope Olmsted and Elias Loomis made the first American sighting of the return of Halley's Comet in 1835....
as the
Bright Star CatalogueThe Bright Star Catalogue, also known as the Yale Catalogue of Bright Stars or Yale Bright Star Catalogue, is a star catalogue that lists all stars of stellar magnitude 6.5 or brighter, which is roughly every star visible to the naked eye from Earth. It is currently available online in its 5th...
.
Directors
- William Cranch Bond
William Cranch Bond was an American astronomer, and the first director of Harvard College Observatory.- Upbringing :William Cranch Bond was born in Falmouth, Maine on September 9, 1789...
1839-1859
- George Phillips Bond
George Phillips Bond was an American astronomer. He was the son of William Cranch Bond. Some sources give his year of birth as 1826....
1859-1865
- Joseph Winlock
Joseph Winlock was an American astronomer and mathematician.He was born in Shelby County, Kentucky, the grandson of General Joseph Winlock...
: 1866-1875
- Edward Charles Pickering
Edward Charles Pickering was an American astronomer and physicist, brother of William Henry Pickering.Along with Carl Vogel, Pickering discovered the first spectroscopic binary stars. He wrote Elements of Physical Manipulations .Pickering attended Boston Latin School, and received his B.S. from...
1877-1919
- Solon Irving Bailey
Solon Irving Bailey was an American astronomer.He joined the staff of Harvard College Observatory in 1887....
1919-1921 (Acting Director)
- Harlow Shapley
Harlow Shapley was an American astronomer.-Career:He was born on a farm in Nashville, Missouri, and dropped out of school with only the equivalent of a fifth-grade education...
1921-1952
- Donald H. Menzel 1952-1953 (Acting Director); 1954-1966 (Director)
- Leo Goldberg
Leo Goldberg was an American astronomer who held professorships at Harvard and the University of Michigan and the directorships of several major observatories. He was president of both the International Astronomical Union and the American Astronomical Society...
1966-1970
- George B. Field
George B. Field is an American astrophysicist.- Education and career :As an undergraduate he initially studied chemical engineering at the Massachusetts Institute of Technology before switching to astrophysics. He later attended the graduate school at Princeton University...
1971-1972
See also
- Sears Tower-Harvard Observatory
Sears Tower--Harvard Observatory is an historic observatory that is part of Harvard Observatory and is located at 60 Garden Street in Cambridge, Massachusetts.The tower was built in 1843 and added to the National Historic Register in 1987....
- The Minor Planet Center
The Minor Planet Center operates at the Smithsonian Astrophysical Observatory , which is part of the Center for Astrophysics along with the Harvard College Observatory ....
credits many asteroidthumb|260px|right|[[253 Mathilde]], a [[C-type asteroid]] measuring about across. Photograph taken in 1997 by the [[NEAR Shoemaker]] probe.Asteroids, sometimes called minor planets or planetoids, are small Solar System bodies in orbit around the Sun, especially in the inner Solar System; they are...
discoveries to "Harvard Observatory."
- See List of largest optical refracting telescopes, for other 'great refractors'
External links