Lat: 28.48°S, Long: 41.51°W, Diam: 65.08 km, Depth: 1.1 km, Rükl 52
external image Doppelmayer-iv_143_h1.jpg
Lunar Orbiter IV


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  • Was Doppelmayer captured near the upper left corner of Apollo 16's orbital south-looking oblique Hasselblad frame AS16-120-19337? - DannyCaes DannyCaes Apr 13, 2014


(LAC zone 93D3) LAC map Geologic map



(IAU Directions) DOPPELMAYER.--Under a high sun this large ring-plain, 40 miles in diameter, resembles a great bay open to the N.E., without a trace of detail to break the monotony of the surface on the side facing the Mare Humorum. When, however, it is viewed under oblique morning illumination, a low broad ridge is easily traceable, extending across the opening, indicating the site of a ruined wall. There is an isolated mountain at the S.E. end of this, which casts a fine spire of shadow across the floor at sunrise. The interior contains a massive bright central mountain and several little hills. The crest of the wall on the W. is much broken.



Additional Information

  • IAU page: Doppelmayer
  • Depth data from Kurt Fisher database
    • Pike, 1976: 1.1 km
    • Westfall, 2000: 1.1 km
    • Viscardy, 1985: 2.7 km
    • Cherrington, 1969: 0.79 km
  • Central peak height ~1300 m from shadow in Jan. 12, 1999 photo taken by 2.2-m MPG/ESO telescope (time somewhat uncertain). Doppelmayer is possibly unique in that the top of the central peak appears to be higher than the rim. Note: the Viscardy depth information seems to be erroneous. There is no evidence of 2.7 km tall rim peaks around Doppelmayer -- possibly it was confused with neighboring Lee? - JimMosher JimMosher
  • Doppelmayer is a floor-fractured crater, one of whose characteristics is an upraised floor. Schultz attributes the high position of the top of Doppelmayer's central peak in relation to the rim to this uplifting (along with the rest of the central floor) of a peak of normal height for a crater of this diameter. - tychocrater tychocrater Oct 17, 2008
  • Central peak composition: A (Tompkins & Pieters, 1999)
  • Satellite crater Doppelmayer K is on the ALPO list of bright ray craters.
  • Doppelmayer N, a bowl shaped high-albedo crater west-southwest of Doppelmayer itself, has quite a large boulder slightly outside the north-northwestern part of its rim. The diameter of this boulder seems to be something of 100 meters, according to the scale on the LROC's high-resolution NAC photographs. - DannyCaes DannyCaes Jul 14, 2017

Is it an irregular elevation, or a shallow depression? (trompe l'oeil effect near Doppelmayer J)


Johan Gabriel Doppelmayer (1671 –12/1/1750) was a German mathematician, astronomer, and cartographer. He completed his studies in 1698 with a dissertation on the Sun.

Doppelmayer pyroclastics

The Doppelmayer pyroclastics are briefly mentioned in the 21st Century Atlas of the Moon (C.A.Wood/ M.J.S.Collins) on page 82 (the southwest quadrant of the Full Moon) and on page 58 (photograph of the Doppelmayer rilles).

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This page has been edited 23 times. The last modification was made by - DannyCaes DannyCaes on Jul 14, 2017 7:42 am - afx3u2