Ritchey (lunar crater)

Short description: Crater on the Moon

Ritchey

Apollo 16 image

Diameter| 25 km
Depth| 1.3 km
Colongitude| 352° at sunrise

Ritchey is a small lunar impact crater named after the American astronomer George Willis Ritchey.[1] The crater is situated to the east of Albategnius in the central lunar highlands. Its somewhat angular rim is broken along the northwestern wall by a pair of smaller, adjacent craters. The floor of Ritchey is fairly flat, with a pair of small central mounds.

## Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the satellite midpoint that is closest to Ritchey.

Ritchey crater and its satellite craters taken from Earth in 2012 at the University of Hertfordshire's Bayfordbury Observatory with the telescopes Meade LX200 14" and Lumenera Skynyx 2-1 Ritchey  | Latitude  | Longitude  | Diameter

|
|
|

A  | 11.3° S  | 7.7° E  | 6 km
B  | 11.9° S  | 8.9° E  | 7 km
C  | 10.9° S  | 9.2° E  | 6 km
D  | 10.2° S  | 9.2° E  | 6 km
E  | 10.7° S  | 8.4° E  | 14 km
F  | 10.5° S  | 7.6° E  | 4 km
J  | 12.3° S  | 9.9° E  | 17 km
M  | 12.4° S  | 9.5° E  | 8 km
N  | 11.1° S  | 10.0° E  | 17 km

## References

1. ↑ "Ritchey (lunar crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.

* Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
* Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.
* Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 978-0-936389-27-1. https://archive.org/details/isbn_9780936389271.
* McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. http://host.planet4589.org/astro/lunar/.
* Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU". Space Science Reviews 12 (2): 136–186. doi:10.1007/BF00171763. Bibcode: 1971SSRv...12..136M.
* Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6. https://archive.org/details/patrickmooreonmo00patr.
* Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3.
* Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.
* Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3. https://archive.org/details/celestialobjects00webb.
* Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.
* Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.

## External links

* Albategnius at The Moon Wiki
* Tres Amicis \- on the three small craterlets due north of Ritchey F
* Wood, Charles (November 8, 2009). "Somewhere Over the Rainbow". Lunar Photo of the Day. http://lpod.wikispaces.com/November+8,+2009.

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