Rükl 51

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Rükl Zone 51 - MERSENIUS

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

  • Aegyptus (regio) (J.Hewelcke's disallowed name for the southwestern highlands).
  • Byrgius A (once called La Paz by H.P.Wilkins) (Byrgius A is the bowl-shaped crater with high-albedo ejectablanket around it, at the left margin of Chart 51) (this was Van Langren's Malvezzi, J.Hewelcke's Mons Acabe).
  • Cavendish (J.Hewelcke's Mons Ajax).
  • de Gasparis
  • De Vico
  • Doppelmayer Pyroclastics (an informal name, incorporated on Chart FM3, page 82 in the 21st Century Atlas of the Moon (C.A. Wood/ M. Collins). This is the low-albedo region at the southwestern part of Mare Humorum).
  • Eye (a nickname from D.Caes for Liebig J at the northern part of Rimae Doppelmayer) (Liebig J shows a rare bright "iris" at its inner slopes).
  • Fluvius Nilus (J.Hewelcke's disallowed name for the dark streaks at Billy-Mersenius).
  • Fontana
  • Giovanelli (Van Langren's disallowed name for Mersenius Zeta).
  • Guldini (Van Langren's disallowed name for Palmieri Alpha).
  • Henry
  • Henry Frères
  • Jiyah (a disallowed name from H.P.Wilkins for Mersenius D).
  • Lacus de Gasparis-Liebig-Palmieri (an unofficial name from D.Caes for the low-albedo region near the southwestern part of Mare Humorum's rim) (seems to have been called Paludes Arabiae by J.Hewelcke).
  • Landerer (a disallowed name from H.P.Wilkins for Mersenius B).
  • Liebig
  • Magini (Van Langren's disallowed name for Liebig Gamma).
  • Mare Humorum (Van Langren's Mare Venetum) (the most western part of it, at the right margin of Chart 51).
  • Mersenius
  • Mons Sacer (J.Hewelcke's disallowed name for the western border of Mare Humorum).
  • Palmieri
  • Paludes Arabiae (J.Hewelcke's disallowed name for the low-albedo area at de Gasparis and Palmieri).
  • Paul Henry Delta (elevation north of both the Henry craters) (see Chart 78 in the Times Atlas of the Moon).
  • Peninsula Fulminum (Riccioli's discontinued name for the region between Gassendi and Letronne, depicted near the upper right corner of Chart 51).
  • Percy Mountains (a disallowed name from W.R.Birt for the mountainous region at the northwestern part of Mare Humorum's rim).
  • Rima Billy
  • Rimae de Gasparis
  • Rimae Doppelmayer
  • Rimae Liebig (a discontinued IAU name).
  • Rimae Mersenius
  • Rimae Palmieri
  • Rimae Zupus
  • Rupes Liebig
  • Terra Caloris (Riccioli's discontinued name for the lower left part of Chart 51).
  • Terra Iustitiae (Van Langren's disallowed name for the lower left part of Chart 51).
  • Unexpected remains of a possible basin (see this page).
  • Vieta (J.Hewelcke's Mons Casius) (note: together with the IAU's Fourier this is the first one of J.Hewelcke's Montes Casius, because there's also a second one at Chart 52: the IAU's Agatharchides P) (Mons Casius should not be confused with the unofficial name Mons Caes near Helmholtz).
  • Zupus (Van Langren's Flumen S. Augustini, Riccioli's Fontana).

Lettered Crater Locations

(click on the thumbnails to view full-sized images; use browser BACK button to return to this page)

Full zone with lettered craters

external image Rukl_51_satellites.jpg

Lettered craters by quadrants

(the dashed white lines are the centerlines of the Rükl zones)
North West
North East

external image Rukl_51_satellites_NW.jpg

external image Rukl_51_satellites_NE.jpg

external image Rukl_51_satellites_SW.jpg

external image Rukl_51_satellites_SE.jpg

South West
South East

Additional Information