Lowell Observatory is an astronomical observatory in Flagstaff, Arizona, United States. Lowell Observatory was established in 1894, placing it among the oldest observatories in the United States, and was designated a National Historic Landmark in 1965. In 2011, the Observatory was named one of "The World's 100 Most Important Places" by TIME. It was at the Lowell Observatory that the dwarf planet Pluto was discovered in 1930 by Clyde Tombaugh.
The Arecibo Observatory, also known as the National Astronomy and Ionosphere Center (NAIC) and formerly known as the Arecibo Ionosphere Observatory, is an observatory in Barrio Esperanza, Arecibo, Puerto Rico owned by the US National Science Foundation (NSF).
Yerkes Observatory is an astronomical observatory located in Williams Bay, Wisconsin, U.S.A. It was operated by the University of Chicago Department of Astronomy and Astrophysics from its founding in 1897 to 2020. Ownership was transferred to the non-profit Yerkes Future Foundation (YFF) in May 2020.
William Robert Brooks was a British-born American astronomer, mainly noted as being one of the most prolific discoverers of new comets of all time, second only to Jean-Louis Pons.
The Gaithersburg Latitude Observatory is a historic astronomical observatory on DeSellum Avenue in Gaithersburg, Maryland. It was established in 1899 as part of a system of six International Latitude Observatories to precisely measure the wobble of the Earth's rotating axis. The observatory building and adjacent monuments were designated a National Historic Landmark in 1989 as a testament to international scientific cooperation. The observatory was taken out of service in 1982 after automation eliminated the need for human observations; the property is now owned by the city.
The Cincinnati Observatory is located in Cincinnati, Ohio on top of Mount Lookout. It consists of two observatory buildings housing an 11-inch (28 cm) and 16 inch (41 cm) aperture refracting telescope. It is the oldest professional observatory in the United States. It was a key facility for astronomical research and education at the University of Cincinnati and currently operates as a 19th-century observatory. There are regular viewings through both historical telescopes as well as tours and additional programs. The observatory also has an extensive outreach program, providing astronomical education for the Ohio/Kentucky/Indiana region.
Ladd Observatory is an astronomical observatory at Brown University in Providence, Rhode Island. Founded in 1891 it was primarily designed for student instruction and also research. The facility operated a regional timekeeping service. It was responsible for the care and calibration of clocks on campus including one at Carrie Tower and another that rang the class bell at University Hall. Meteorological observations were made there from the time the building opened using recording weather instruments.
The Leander McCormick Observatory is one of the astronomical observatories operated by the Department of Astronomy of the University of Virginia and is situated just outside Charlottesville, Virginia (US) in Albemarle County on the summit of Mount Jefferson. It is named for Leander J. McCormick (1819–1900), who provided the funds for the telescope and observatory.
The Vassar College Observatory is an astronomical observatory of the private Vassar College, located near the eastern edge of the Poughkeepsie, New York college's campus. Finished in 1865, it was the first building on the college's campus, older even than the Main Building, with which it shares the status of National Historic Landmark. The observatory's significance is due to its association with Maria Mitchell, the first widely known woman astronomer in the United States.
The Dyer Observatory, also known as the Arthur J. Dyer Observatory, is an astronomical observatory owned and operated by Vanderbilt University. Built in 1953, it is located in Brentwood, Tennessee, and is the only university facility not located on the main campus in Nashville. The observatory is named after Arthur J. Dyer, who paid for the observatory's 24-foot (7.3 m)-wide dome, and houses a 24-inch (610 mm) reflecting telescope named for astronomer Carl Seyfert. Today, the observatory primarily serves as a teaching tool; its mission is to interest the public in the fields of astronomy, science and engineering. The observatory was listed on the National Register of Historic Places on March 6, 2009.
The Blue Hill Meteorological Observatory, also known as Great Blue Hill Weather Observatory, Blue Hill Weather Observatory, or simply the Blue Hill Observatory, in Milton, Massachusetts is the foremost structure associated with the history of weather observations in the United States. Located atop Great Blue Hill at the junction of Interstate 93 and Route 138 about 10 miles (16 km) south of Boston, Massachusetts, it is home to the oldest continuous weather record in North America, and was the location of the earliest kite soundings of the atmosphere in North America in the 1890s, as well as the development of the radiosonde in the 1930s.
Goodsell Observatory is an observatory at Carleton College in Northfield, Minnesota, United States. It was constructed in 1887 and was, at the time, the largest observatory in the state of Minnesota. The Goodsell Observatory and its predecessor, a smaller observatory that opened in 1878, served as a widely consulted timekeeping station, bringing national prominence to Carleton College in the late 19th and early 20th centuries.
The University of Illinois Astronomical Observatory, located at 901 S. Mathews Avenue in Urbana, Illinois, on the campus of the University of Illinois Urbana-Champaign, was built in 1896, and was designed by Charles A. Gunn. It has been listed on the National Register of Historic Places since November 6, 1986, and on December 20, 1989, was designated a National Historic Landmark.
The Detroit Observatory is located on the corner of Observatory and Ann streets in Ann Arbor, Michigan. It was built in 1854, and was the first scientific research facility at the University of Michigan and one of the oldest observatories of its type in the nation. It was designated a Michigan State Historic Site in 1958 and placed on the National Register of Historic Places in 1973.
Fuertes Observatory is an astronomical observatory located on the North Campus of Cornell University in Ithaca, New York. The observatory was designed by L.P. Burnham, Cornell Professor of Architecture and completed in fall of 1917. It was originally used by the Civil Engineering Department as an instructional field office for navigation and surveying. Today, the observatory is primarily used for public outreach, welcoming over two thousand visitors per year with open houses on clear Friday nights.
The Dearborn Observatory is an astronomical observatory located on the Evanston campus of Northwestern University. The observatory was originally constructed in 1888, through an agreement between the university and the Chicago Astronomical Society. In the summer of 1939, Dearborn Observatory had to be moved to make way for the construction of the Technological Institute.
The Henry Draper Observatory, also known as Draper Cottage and incorrectly as the John William Draper House, is a historic house and local history museum in Draper Park off US 9 in Hastings-on-Hudson, New York, United States. Its core is an astronomical observatory built about 1860 for Henry Draper (1837-1882). It was here that he made astrophotography history, taking some of the earliest photographs of the Moon to include identifiable features through a telescope in 1863.
The Sears Tower—Harvard Observatory is a historic astronomical observatory that is part of Harvard Observatory and is located at 60 Garden Street in Cambridge, Massachusetts. Now just a portion of the observatory's Building A, the Sears Tower is the oldest portion of the complex, designed by Isaiah Rogers and constructed in 1843. This structure is a square brick building, with a projecting cornice and a Greek Revival entrance framed by pilasters. The dome was equipped with a 15-inch telescope, the state of the art at the time.
The William Brydone Jack Observatory is a small astronomical observatory on the campus of the University of New Brunswick in Fredericton, New Brunswick. Constructed in 1851, it was the first astronomical observatory built in British North America. The observatory was designated a National Historic Site of Canada in 1954.
The Daniel S. Schanck Observatory is an historical astronomical observatory on the Queens Campus of Rutgers University in New Brunswick, New Jersey, United States, and is tied for the seventh oldest observatory in the US alongside the Vassar College Observatory. It is located on George Street near the corner with Hamilton Street, opposite the parking lot adjacent to Kirkpatrick Chapel, and to the northeast of Old Queens and Geology Hall.
