Firsov (crater)
Firsov is a lunar impact crater on the far side of the Moon. It is located to due south of the crater Lobachevskiy, and to the northwest of Abul Wáfa. The circular rim of this crater has a small outward bulge along the southern edge, and smaller bulges along the western side. The inner walls have slumped to form talus piles along the base. The low-albedo interior floor is nearly level and featureless.
 Apollo 16 Mapping Camera image. Firsov below right of center, Firsov V above left of center | |
| Coordinates | 4.5°N 112.2°E |
|---|---|
| Diameter | 51 km |
| Depth | Unknown |
| Colongitude | 248° at sunrise |
| Eponym | Georgij F. Firsov |
Just east of Firsov, within an unnamed, flat-floored crater is an unusual swirl pattern of high albedo, similar to the floor of Mare Marginis and to the Reiner Gamma feature.
Views
Oblique view facing southwest, from Apollo 16
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 Firsov.
| Firsov | Latitude | Longitude | Diameter |
|---|---|---|---|
| K | 3.1° N | 113.0° E | 58 km |
| P | 2.9° N | 111.1° E | 15 km |
| Q | 2.3° N | 110.0° E | 25 km |
| S | 3.6° N | 109.8° E | 96 km |
| T | 4.1° N | 108.6° E | 26 km |
| V | 5.1° N | 110.7° E | 44 km |
Firsov Q crater from Apollo 11
References
- Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.CS1 maint: ref=harv (link)
- Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05.CS1 maint: ref=harv (link)
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- McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24.CS1 maint: ref=harv (link)
- 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.
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- Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.CS1 maint: ref=harv (link)
- Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3.CS1 maint: ref=harv (link)
- Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.CS1 maint: ref=harv (link)
- Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.CS1 maint: ref=harv (link)
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