Rükl Zone 9 - MAIRAN


Neighboring maps on the Rükl Nearside Map:

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Photographic Map

(This map is based on an Earth-based photograph that has been computer-corrected to zero libration. The vertical white lines indicate the left and right boundaries of the Rükl rectangle)
Rukl_9.jpg
Background image source

Named Features

  • Alfred Worden's chain (an unofficial name from D.Caes for the curious chain of teardrop shaped craterlets west-northwest of Gruithuisen, see Additional Information below) (and LROC articles Tadpole and Lava Tube, Sinuous Chain of Depressions).
  • Avani's ghost (a nickname for the ghost crater east of Wollaston D, see LPOD 16-6-2013).
  • Aymat (a disallowed name from H.P.Wilkins for the distinct crater Sharp B west-northwest of Sharp itself) (note: both Sharp and Sharp B were J.Hewelcke's Mons Atlas Minor).
  • Boris
  • Delisle (Van Langren's Baieri) (the northern part of this crater is depicted near the lower right corner of chart 9).
  • Dogbone (a nickname from D.Caes for the dogbone-shaped southwestern end of Rima Delisle).
  • Dorsa Dechen D - Rumker L (an unofficial name from D.Caes for the system of wrinkle ridges north of Mons Rumker, at craters Dechen D and Rumker L) (this system of wrinkle ridges is depicted near the lower left corner of the cover of the 21st Century Atlas of the Moon by C.A.Wood and M.J.S.Collins).
  • Dorsum Angstrom B (an unofficial name from D.Caes for the wrinkle ridge north-northeast of Krieger to Angstrom B).
  • Dorsum Bucher
  • Dorsum Caroline Herschel Epsilon (an unofficial name from D.Caes for the wrinkle ridge north of the hill Caroline Herschel Epsilon, south-southwest of Promontorium Heraclides).
  • Dorsum Dechen A (an unofficial name from D.Caes for the wrinkle ridge running across the bowl-shaped crater Dechen A, east of Dechen itself).
  • Dorsum Mairan G (an unofficial name from D.Caes for the short wrinkle ridge north of the bowl-shaped crater Mairan G).
  • Dorsum Wollaston D / Dorsum Wollaston Gamma (two unofficial names from D.Caes for the wrinkle ridge north-northwest of the bowl-shaped crater Wollaston D, south of the irregular system of hills Wollaston Gamma).
  • Ecphantus (Riccioli's disallowed name for both Mons Gruithuisen Delta and Mons Gruithuisen Gamma).
  • Gaston
  • GEM cluster (this is the region of the many small Irregular Mare Patches (IMPs) near Gruithuisen E and Gruithuisen M, also known as GEM).
  • Gruithuisen
  • Gruithuisen's mob (a nickname from D.Caes for the cluster of craterlets south-southwest of Gruithuisen Zeta, see Additional Information below).
  • Linda
  • Louville (Van Langren's Scheineri).
  • Louville Omega (the somewhat dogbone-shaped hill north of the bowl-shaped craters Mairan G and Rumker H) (both east of Mons Rumker). See Chart 6 in the Times Atlas of the Moon.
  • Mairan (Van Langren's Haesteni, J.Hewelcke's Mons Baronisus).
  • Mairan Tholus (an unofficial name from D.Caes for the unique formation Mairan T west of Mairan itself).
  • Mare Imbrium (the westernmost part of it, occupying the lower right section of Chart 9).
  • Mons Bucher (an unofficial name from D.Caes for the rectilinear-looking oblong hill at the south-southeastern end of Dorsum Bucher).
  • Mons Gruithuisen Delta
  • Mons Gruithuisen Gamma
  • Nameless shallow depression (a "nickname" from D.Caes for the very shallow rimless crater between Angstrom B and Gruithuisen).
  • Oceanus Procellarum (the northeastern part of it, occupying the lower left section of Chart 9).
  • Prom. S. Dominici (Van Langren's disallowed name for the southern end of Riccioli's Terra Pruinae, or perhaps for a location west of it, near the limb) (?).
  • Pythagoras' secondary crater chains (an unofficial name from D.Caes for the rows of craterlets in Sinus Roris, south of Pythagoras) (north-northwest of Mons Rumker).
  • Rima Mairan
  • Rima Sharp
  • Rupes Boris
  • Sharp (the western part of this crater, near the upper right corner of Chart 9) (J.Hewelcke's Mons Atlas Minor, with Sharp B).
  • Sinus Roris (Van Langren's Sinus Principis, J.Hewelcke's Sinus Hyperboreus) (the eastern part of it, occupying the upper left section of Chart 9).
  • Terra Pruinae (Riccioli's disallowed name for the cratered region surrounding Mairan and Sharp) (Van Langren's Terra Laboris, J.Hewelcke's Mauritania).
  • Wollaston
  • Wollaston Alpha (the pronounced hill southeast of Wollaston, halfway between Wollaston and Krieger).
  • Wollaston Gamma (the irregular cluster of hills way north-northwest of Wollaston itself, at 37°30' North/ 50° West).

Lettered Crater Locations

(click on the thumbnails to display full-sized images; use browser BACK button to return - the dashed white lines are the midpoints of the Rükl zones)

Full zone with lettered craters:
external image Rukl_9_satellites.jpg?size=64

Lettered craters by quadrants:
North West
North East
external image Rukl_9_satellites_NW.jpg?size=64
external image Rukl_9_satellites_NE.jpg?size=64
external image Rukl_9_satellites_SW.jpg?size=64
external image Rukl_9_satellites_SE.jpg?size=64
South West
South East

Additional Information


Alfred Worden's chain

  • At about one hundred kilometres west-northwest of Gruithuisen is a chain of 30 teardrop-shaped craterlets, once photographed by CMP Alfred Worden of Apollo 15. One of these orbital color Hasselblad-photographs appeared on page 252 of the article TO THE MOUNTAINS OF THE MOON by Kenneth F. Weaver, NATIONAL GEOGRAPHIC MAGAZINE, february 1972. There's a total of 6 Hasselblads of that chain. These are: AS15-93-12724 to 12729 (Magazine P/93). One of them (AS15-93-12725) shows both the chain (centre of photo) and concentric crater Gruithuisen K in the upper right corner.- DannyCaes DannyCaes Nov 10, 2008
  • See also Kipp Teague's Hi-Res scan of AS15-93-12725 in the Flickr galleries. - DannyCaes DannyCaes Oct 11, 2015

Gruithuisen's mob

  • The cluster of bowl-shaped craterlets north-northwest of Gruithuisen (south-southwest of Gruithuisen Zeta) is nicknamed Gruithuisen's mob by Danny Caes (see photo AS15-93-12719). This cluster (and also the chain near Gruithuisen K) is a very interesting target for today's webcam-imagers of the moon's surface.- DannyCaes DannyCaes Nov 10, 2008
  • Lunar Orbiter 5's Frame 183 shows a wonderful vertical view of the Gruithuisen complex (Mons Gruithuisen Delta and Gamma, the teardrop-shaped chain near the concentric crater Gruithuisen K (near the photograph's upper left corner), and the craterlet-cluster near Gruithuisen Zeta).- DannyCaes DannyCaes Nov 10, 2008

This page has been edited 42 times. The last modification was made by - DannyCaes DannyCaes on Jul 20, 2017 9:55 am - mgx2