Rükl 26

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Rükl Zone 26 - CLEOMEDES

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

  • Andradae (Van Langren's disallowed name for Mare Crisium Omega) (at the northwestern part of Mare Crisium).
  • Cleomedes (Van Langren's Moura, J.Hewelcke's Montes Riphaei).
  • Cleomedes Alpha (the somewhat elongated central peak of Cleomedes) (see also chart SLC A3) (System of Lunar Craters).
  • Cooke (a disallowed name from H.P.Wilkins for the subdued crater Eimmart C at the northeastern coastline of Mare Crisium).
  • Curtis (craterlet east of Picard) (this craterlet was something of a mystery in the days of T.W.Webb and his Celestial Objects for Common Telescopes).
  • Debes
  • Delmotte
  • Dorsum Oppel
  • Eckert
  • Facula Alani (an unofficial name from D.Caes for the exceptionally bright spot at the northwestern part of Mare Crisium's rim).
  • Fredholm
  • Lacus Bonitatis (see Chart 25) (J.Hewelcke's Paludes Cimmeriae).
  • Lavinium Promontorium (discontinued (?) IAU name).
  • Macrobius (Van Langren's Tucheri, J.Hewelcke's Mons Cimmerius).
  • Mare Crisium (Van Langren's Mare Caspium (de Moura), occupying the lower right section of Chart 26, see Chart 27 for wiki-link) (J.Hewelcke's Palus Maeotis).
  • Mare Crisium Delta (peak or hill in the western part of Mare Crisium's rim, north-northwest of Yerkes E).
  • Mare Crisium Rho (pronounced part of J.Hewelcke's Montes Alani, west of Facula Alani) (for Mare Crisium Delta and Rho, see Chart 33 in the Times Atlas of the Moon).
  • Montes Alani (J.Hewelcke's disallowed name for the northern part of Mare Crisium's rim, called the Wasatch mountains by C.A.Wood).
  • Olivium Promontorium (discontinued (?) IAU name).
  • O'Neill's Bridge (an unofficial name, popular clair-obscur effect) (also called Flying Eagle and Eagle Gate, see Sky and Telescope April 1956).
  • Palus Somni (Van Langren's Aestuaria Bamelrodia, J.Hewelcke's Lacus Corocondametis) (occupying the lower left section of Chart 26, see Chart 37 for wiki-link).
  • Peirce
  • Picard (J.Hewelcke's Insula Alopecia) (the island of baldness?).
  • Proclus (Van Langren's Puteani, J.Hewelcke's Mons Corax).
  • Rima Cleomedes
  • Schwanzende (a very rare nickname from J.H.Franz for Mare Anguis T, source: Named Lunar Formations by Mary Blagg).
  • Swift (once called Graham by H.P.Wilkins).
  • Terra Sapientiae (Van Langren's disallowed name for the region north-northwest of Mare Crisium).
  • Terra Vitae (Riccioli's discontinued name for the region north-northwest of Mare Crisium).
  • Tisserand (see Additional Information below for candidate Apollo landing site).
  • Torii (Van Langren's disallowed name for Mare Crisium Tau) (?) (E.A.Whitaker seems to have been uncertain about that one) (note: on Van Langren's map it is located at the most northern part of Mare Crisium).
  • Tralles
  • Wasatch mountains (C.A.Wood's name for J.Hewelcke's Montes Alani).
  • Yerkes

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_26_satellites.jpg

Lettered craters by quadrants:
North West
North East

external image Rukl_26_satellites_NW.jpg

external image Rukl_26_satellites_NE.jpg

external image Rukl_26_satellites_SW.jpg

external image Rukl_26_satellites_SE.jpg

South West
South East

Additional Information

Candidate Apollo landing site

According to page 25-76 in NASA's Apollo 15 Preliminary Science Report, there should have been a candidate Apollo landing site at 19°30' North/ 48°30' East (south of Tisserand, northeast of Fredholm). This site seems to have been called the Candidate Proclus Apollo Landing Site.