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Lat: 2.4°S, Long: 0.7°E, Diam: 52 km, Depth: 0.82 km, Rükl: 44


LROC, big shadows. The broken northern rim intersects Rima Oppolzer.


LPOD Photo Gallery Lunar Orbiter Images (there seems to be nothing for Réaumur (an unknown name?), "Reumur" on the other hand seems to be a known name at the LPI).
- The 2nd Concentric Crater in C.A.Wood's list of 1978 is located east of Réaumur A and slightly northeast of Gyldén. This Concentric Crater is noticeable on the Hi-Res scan of Lunar Orbiter 4 photograph 101-h3.

Orbital Apollo photographs of the Réaumur area

- Réaumur, Réaumur A, Gyldén, and the Concentric Crater nearby were also captured on Apollo 12's orbital Hasselblad photograph AS12-50-7431 and its "twin brother" AS12-50-7432.
- Réaumur was also captured on several oblique north looking Fairchild camera frames made during the mission of Apollo 16. One of these frames is AS16-M-0842, in which Réaumur is detectable near the central part of the curved horizon.
Research: Danny Caes


(LAC zone 77B1) LAC map Geologic map LM map AIC map


Description: Elger

(IAU Directions) REAUMUR.--A large pentagonal enclosure, about 30 miles in diameter, with a greatly broken border, exhibiting many wide gaps, situated on the W. side of the Sinus Medii, N.E. of Herschel. The walls are loftiest on the S. and S.E., where several small craters are associated with them. A ridge connects the formation with the great deep crater Reaumur A, and a second large enclosure lying on the E. side of the well-known valley E. of Herschel. At the end of a spur on the S. side of the great crater originates a cleft, which I have often traced to the N.E. wall of Ptolemaeus, and across the N. side of the floor of this formation to a crater on the N.W. quarter of it, Ptolemaeus d. There is a short cleft on the E. side of the floor of Reaumur, running from N. to S.

Description: Wikipedia


Additional Information


René Antoine Ferchault de Réaumur (February 28, 1683 - October 17, 1757) was a French scientist of wide-ranging interests who made contributions in many fields, especially entomology.

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