Rükl 6

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Rükl Zone 6 - STRABO

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

Nearside Named Features

  • Abineri (a disallowed name from H.P.Wilkins for Strabo A).
  • Ancient crater between De La Rue and Endymion (see SLC map B1).
  • Baily
  • Cusanus
  • De La Rue (J.F.J.Schmidt's Epicurius).
  • de Ulloa (a disallowed name from M.F. Van Langren and J.H.Schroter, see description at the lower section of this page).
  • Dorsa Galle - Gartner - Baily (an unofficial name from D.Caes for the system of wrinkle ridges at the eastern part of Mare Frigoris, near craters Galle, Gartner, and Baily) (see also LPOD June 3, 2012) (and Chart 5; Galle).
  • Gärtner
  • Hayn
  • Hayn-Bel'kovich shadow (see Rukl's chart 7).
  • Keldysh (Van Langren's Pythias) (F.C.Lamech's Dominique).
  • Kephalinos (F.C.Lamech's disallowed name for Hercules F, southwest of Keldysh).
  • Mare Frigoris (J.Hewelcke's Mare Hyperboreum) (the easternmost part of it, west of Keldysh).
  • O'Kell (a disallowed name from H.P.Wilkins for Atlas E, south-southwest of Keldysh).
  • Regio Hyperborea (J.Hewelcke's disallowed name for the northern limb region).
  • Rima Gärtner
  • Rugbyball (a nickname from D.Caes for the peculiar crater Gartner M in Mare Frigoris, see Additional Information below).
  • Schwabe
  • - several shallow bowl (or dish) shaped craters south of Gartner M and north of Baily B (see the WAC chart on the LROC's Act-React Quick Map).
  • Stagnum Glaciei (Riccioli's discontinued name for the region near the upper left part of Chart 6).
  • Strabo (Van Langren's Xenophanis).
  • Terra Siccitatis (Riccioli's discontinued name for the region northwest of Mare Frigoris) (Van Langren's Terra Honoris).
  • Terra Vitae (Riccioli's discontinued name for the region northeast of Mare Frigoris).
  • Thales
  • Trewman (a disallowed name from H.P.Wilkins for a crater east of Schwabe, perhaps one of the trio Strabo L, B, N?).
  • Vallis Schwabe (an unofficial name from D.Caes for the valley which runs from Schwabe to the trio Strabo L, B, N).

An extra "name":

  • The Strabo boundary (see Additional Information below).

Farside Named Features

(The following features are not formally included in the present Rükl rectangle, but they are adjacent to it and their centers are less than 10° beyond the mean limb -- so they may be seen here in whole or in part with a favorable libration)

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_6_satellites.jpg

Lettered craters by quadrants:
North West
North East

external image Rukl_6_satellites_NW.jpg

external image Rukl_6_satellites_NE.jpg

external image Rukl_6_satellites_SW.jpg

external image Rukl_6_satellites_SE.jpg

South West
South East

Additional Information

The rugbyball shaped crater Gartner M

  • A peculiar "egg" or "rugbyball" shaped craterlet is noticeable at 55°30' North/ 37° East (Gartner M; south-southeast of the bay-shaped crater Gartner in Mare Frigoris). Note its appearance on page 26 (LAC 13) of Ben Bussey's and Paul Spudis's Clementine Atlas of the Moon. While browsing through the Clementine atlas, one shall notice many more of these "egg"-shaped craterlets, on the moon's Far Side.- DannyCaes Nov 10, 2008

The Strabo boundary

  • According to the Dutch connoisseur of the moon A.J.M.Wanders, the boundary between Riccioli's Terra Siccitatis and Terra Vitae runs between Strabo and the trio Strabo L, B, N. To see this boundary, one should get a copy of the moonmap made by A.J.M.Wanders (this map was included in his book Op Ontdekking in het Maanland, 1949). It is not known if Riccioli (in his day) decided to add boundaries between his Terra regions, but... A.J.M.Wanders did... - DannyCaes Jan 16, 2016

de Ulloa

  • de Ulloa (plate T. LXXIII) (name first used by Van Langren). This formation is limbward of Schröter's "Thales", which in turn appears to be the modern Strabo. Schröter's "de Ulloa" is most likely Antonio de Ulloa (1716–1795) who participated in the French expedition to Ecuador to measure the length of an arc of the terrestrial meridian. Van Langren's "de Ulloa" might possibly be Francisco de Ulloa an earlier Spanish explorer. Research Jim Mosher and Danny Caes