Rükl 12

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Rükl Zone 12 - ARISTILLUS

Neighboring maps on the Rükl Nearside Map:










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)
Background image source

Named Features

  • Amphitheatre (a nickname from T.W.Webb for the southwestern end of the Alpine Valley, at the top of Chart 12) (also called the Florence oil-flask).
  • Ancient Newton (informal name).
  • Archimedes (Van Langren's Roma, J.Hewelcke's Mons Argentarius) (note: this is the pronounced crater near the lower left corner of Chart 12, see Chart 22 for wiki-link).
  • Archimedes Epsilon (the hillock just north of Archimedes) (see Chart 18 in the Times Atlas of the Moon).
  • Archimedes Xi (the hillock between Archimedes and Montes Spitzbergen) (see Chart 18 in the Times Atlas of the Moon).
  • Aristillus (Van Langren's Pozzo, J.Hewelcke's Mons Ligustinus).
  • Aristillus ghost (a nickname from D.Caes for the officially unnamed ghost crater immediately north of Aristillus) (the diameter of this ghost crater is more-or-less the same as Autolycus south of Aristillus).
  • Autolycus (Van Langren's Reithae, J.Hewelcke's Mons Montuniates).
  • Autolycus Eta (hill west of Autolycus).
  • Autolycus Omega (hill east of Autolycus) (for Autolycus Eta and Omega, see the charts of the System of Lunar Craters, 1966).
  • Baldet (a disallowed name from F.C.Lamech for Cassini E, northeast of Cassini itself).
  • Cassini (the eastern wall of this crater was called Mons S. Xaverii by Van Langren).
  • Dorsum Archimedes Epsilon (an unofficial name from D.Caes for the wrinkle ridge north-northeast of Archimedes, very near the hillock Archimedes Epsilon).
  • Dorsum Autolycus K (an unofficial name from D.Caes for the wrinkle ridge south of Rimae Theaetetus, running across craterlet Autolycus K) (in some way connecting both Montes Caucasus and Montes Apenninus).
  • Dorsum Piazzi Smyth (an unofficial name from D.Caes for the wrinkle ridge running north-northwest of Piazzi Smyth, and touching the northwestern part of its rim).
  • Italia (regio) (J.Hewelcke's disallowed name for the region at Aristillus, Autolycus, and Palus Putredinis).
  • Jan Mayen (see Piton Gamma).
  • Kirch
  • Kirch pinnacle (a nickname from D.Caes for the officially unnamed hillock immediately north of Kirch) (that hillock is not even mentioned on chart SLC D2 of the System of Lunar Craters, 1966). In reality, this so-called pinnacle doesn't show steep slopes. It's just an optical illusion caused by the hillock's high albedo versus its "black" shadow.
  • Luna 2 (crash landed on September 13 (or 14?), 1959, northeast (or east?) of Archimedes, see Sinus Lunicus) (the pinpoint location of its impact is uncertain, is it already discovered on the Hi-Res photographs made by the Lunar Reconnaissance orbiter?) (Luna 2 was mankind's first artificial object to hit the moon).
  • Mare Imbrium (J.Hewelcke's Mare Mediterraneum) (occupying most of the western section on Chart 12).
  • Mons Piton (Van Langren's Schonbergeri, J.Hewelcke's Mons Christi).
  • Mont Blanc
  • Montes Alpes
  • Montes Spitzbergen (Van Langren's Leurechonii, J.Hewelcke's Petra Pyramidalis) (once called Flock of Sheep by H.G.Boutell, see L.S.Copeland's article Queen of the Untraveled Seas, Sky & Telescope, january 1953).
  • Mu (the hillock north of Montes Spitzbergen) (could this be Spitzbergen Mu? See Chart 18 in the Times Atlas of the Moon).
  • Palus Nebularum (discontinued IAU name).
  • Pi (the hillock north of Piazzi Smyth) (could this be Piazzi Smyth Pi? See Chart 9 in the Times Atlas of the Moon).
  • Piazzi Smyth
  • Piazzi Smyth Alpha and Piazzi Smyth Beta (the two hillocks northeast and south-southwest of Piazzi Smyth) (see Chart 9 in the Times Atlas of the Moon).
  • Piazzi Smyth W (this bowl-shaped crater, immediately south of the hillock Piazzi Smyth Alpha, shows a curious ring of rocks and boulders about halfway between its floor and its rim, all around) (note: there must be much more examples of this kind of rings of rocks and boulders on the inner slopes of bowl-shaped craters, a search is needed).
  • Piton Gamma (the J-shaped hillock between Mons Piton and Montes Spitzbergen, which is unofficially called Jan Mayen by D.Caes, see Additional Information below).
  • Prom. Lunae (J.Hewelcke's disallowed name for a vague bright area at Montes Spitzbergen).
  • Promontorium Agassiz (J.Hewelcke's Prom. Leucopetra).
  • Promontorium Deville
  • Rimae Theaetetus
  • Sinus Gallicus (J.Hewelcke's disallowed name for the northeastern part of Mare Imbrium).
  • Sinus Lunicus (impact site of Luna 2).
  • Snowman (a nickname from H.Eskildsen for the system of bowl-shaped craters Plato K and Plato KA, see Discussion in LPOD Classic View) (note: this nickname should not be confused with the IAU's Snowman at the Apollo 12 Landing Site).
  • Terra Grandinis (Riccioli's discontinued name for the mountainous region at the upper right part of Chart 12).
  • Terra Virtutis (Van Langren's disallowed name for the whole of Chart 12, see also Chart 22).
  • Theaetetus (Van Langren's Zylii).
  • Vallis Alpes
  • Washbowl (a well known nickname for Cassini A on the floor of Cassini itself).

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_12_satellites.jpg

Lettered craters by quadrants:
North West
North East

external image Rukl_12_satellites_NW.jpg

external image Rukl_12_satellites_NE.jpg

external image Rukl_12_satellites_SW.jpg

external image Rukl_12_satellites_SE.jpg

South West
South East

Additional Information

Jan Mayen (Piton Gamma)

On earth, the location of the island Jan Mayen is not far from the Spitzbergen group (Svalbard), and because of that I call the J-shaped hillock between Mons Piton and Montes Spitzbergen Jan Mayen (officially known as Piton Gamma).
- DannyCaes Sep 18, 2015