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Lat: 49.7°N, Long: 30.4°E, Diam: 26 km, Depth: 0.52 km, Rükl 6

external image Baily-LO4-091-h3.jpg


LPOD Photo Gallery Lunar Orbiter Images

  • The system of unnamed rimae and the elongated depression south of Baily B were captured on Lunar Orbiter 4's photographs LOIV-86-h3 and 91-h3. They are interesting telescopic targets for observers of the Baily region. Research: Danny Caes


(LAC zone 13C4) LAC map Geologic map


Description: Elger

(IAU Directions) BAILY.--A small ring-plain, N. of Burg, flanked by mountains, with a large bright crater on the E. The group of mountains standing about midway between it and Burg are very noteworthy.

Description: Wikipedia


Additional Information


  • Named for Francis Baily (28 April 1774 – 30 August 1844), an English astronomer, most famous for his observations of 'Baily's Beads' during an eclipse of the Sun.
  • The shallow rille which runs straight through Baily is unofficially called Rima Baily by D.Caes.
  • The system of rilles and the elongated depression south-southwest of Baily B are unofficially called Rimae Baily B by D.Caes.

LPOD Articles


Francis Baily and his beads in the Sourcebook Project (William R. Corliss)

- In: Mysterious Universe, a handbook of astronomical anomalies (1979) :
  • Page 191: Baily's Beads (Lewis Swift, Sidereal Messenger, 1890) (mentioned as "Bailey's Beads").
  • Page 193: Baily's Beads (H.P.Hollis, Journal of the British Astronomical Association, 1927).