Espin (crater)

Espin

Oblique Apollo 16 mapping camera image (facing northwest)
Coordinates	28°09′N109°20′E / 28.15°N 109.34°E / 28.15; 109.34
Diameter	70.01 km (43.50 mi)
Depth	Unknown
Colongitude	251° at sunrise
Eponym	Thomas H. E. C. Espin

Oblique Apollo 14 Hasselblad camera image (facing east)

Espin is a lunar impact crater that lies on the far side of the Moon, just beyond the northeastern limb. It lies to the west-southwest of the larger crater Seyfert, and northwest of Deutsch.

This is a worn formation with heavy damage along the northern rim. Several small craters lie along the northern edge, and a crater lies across the southern rim. The northern part of the interior floor is somewhat irregular, but it is more level to the south. A ray from the crater Giordano Bruno to the north-northwest reaches the western interior of Espin.

It is named after Thomas Henry Espinell Compton Espin, an amateur astronomer ^[1] who was a vicar of Tow Law. ^[2] Prior to formal naming in 1970 by the IAU, ^[3] Espin was known as Crater 117. ^[4]

Satellite craters

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

Espin	Latitude	Longitude	Diameter
E	28.3° N	111.3° E	35 km

References

1. "A Field Guide to the English Clergy' Butler-Gallie, F p47: London, Oneworld Publications, 2018 ISBN   9781786074416
2. Crockford's Clerical Directory 1929/30 p406: London; OUP; 1929
3. Espin, Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
4. Lunar Farside Chart (LFC-1A)

Bibliography

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• Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN   978-0-521-81528-4.
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• McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report . Retrieved 2007-10-24.
• 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. Bibcode:1971SSRv...12..136M. doi:10.1007/BF00171763. S2CID   122125855.
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• 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.
• 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.