Francis Preserved Leavenworth (September 3, 1858 in

Mount Vernon, Indiana Mount Vernon is a city in and the county seat of Posey County, Indiana, United States. Located in the state's far southwestern corner, within of both the southernmost or westernmost points, it is the westernmost city in the state. The southernmo ...

– November 12, 1928; a.k.a. ''Frank Leavenworth'') was an

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, natural satellite, moons, comets and galaxy, g ...

. He discovered many

New General Catalogue The ''New General Catalogue of Nebulae and Clusters of Stars'' (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies, star clusters and ...

objects together with Frank Muller and

Ormond Stone Ormond Stone (January 11, 1847 – January 17, 1933), was an American astronomer, mathematician and educator. He was the director of Cincinnati Observatory and subsequently the first director of the McCormick Observatory at the University ...

. They used a

telescope A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally meaning only an optical instrument using lenses, curved mirrors, or a combination of both to observe ...

with a 66-cm

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

at the

Leander McCormick Observatory 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 Mo ...

at the

University of Virginia The University of Virginia (UVA) is a Public university#United States, public research university in Charlottesville, Virginia. Founded in 1819 by Thomas Jefferson, the university is ranked among the top academic institutions in the United S ...

Charlottesville, Virginia Charlottesville, colloquially known as C'ville, is an independent city in the Commonwealth of Virginia. It is the county seat of Albemarle County, which surrounds the city, though the two are separate legal entities. It is named after Queen Ch ...

. He became a member of the Camden Astronomical Society shortly after its founding in 1888. In 1909 he joined Frederick C. Leonard's Society for Practical Astronomy.

References

External links

*
Publications by F. P. Leavenworth
in the Astrophysics Data System {{DEFAULTSORT:Leavenworth, Francis Discoveries by Francis Leavenworth 19th-century American astronomers 20th-century American astronomers 1858 births 1928 deaths

See also

References

External links