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Graff (lunar crater)

Coordinates: 42°24′S 88°36′W / 42.4°S 88.6°W / -42.4; -88.6
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Graff
Coordinates42°24′S 88°36′W / 42.4°S 88.6°W / -42.4; -88.6
Diameter36 km
DepthUnknown
Colongitude89° at sunrise
EponymKasimir R. Graff

Graff is a small lunar impact crater that lies along the southwestern limb of the Moon. It is located to the west of the Vallis Bouvard depression in the southern part of the ejecta blanket that surrounds the Mare Orientale impact basin. To the south-southwest is the smaller crater Catalán.

The outer rim of this crater is roughly circular, with a slight outward protrusion along the southern side. The rim and inner walls are not significantly eroded, and slope downward to a ring of accumulated debris surrounding the interior floor. The bottom is somewhat irregular, with a tiny crater near the midpoint and another to the northeast.

Because of its location, this crater is viewed obliquely by observers on the Earth, and its visibility can be affected by libration.

This crater lies within the Mendel-Rydberg Basin, a 630 km wide impact basin of Nectarian age.

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 Graff.

Graff Latitude Longitude Diameter
A 41.2° S 86.1° W 21 km
U 42.1° S 90.7° W 20 km

References

  • Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097. {{cite book}}: Invalid |ref=harv (help)
  • Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05. {{cite web}}: Invalid |ref=harv (help)
  • Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4. {{cite book}}: Invalid |ref=harv (help)
  • 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. {{cite book}}: Invalid |ref=harv (help)
  • McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24. {{cite web}}: Invalid |ref=harv (help)
  • 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. {{cite journal}}: Invalid |ref=harv (help)
  • Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6. {{cite book}}: Invalid |ref=harv (help)
  • Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3. {{cite book}}: Invalid |ref=harv (help)
  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4. {{cite book}}: Invalid |ref=harv (help)
  • Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3. {{cite book}}: Invalid |ref=harv (help)
  • Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6. {{cite book}}: Invalid |ref=harv (help)
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1. {{cite book}}: Invalid |ref=harv (help)