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Lat: 11.24°S, Long: 4.01°E, Diam: 130.84 km, Depth: 3.2 km, Rükl: 44, Nectarian

external image normal_Albategnius040906_04-39-59.jpg
Peter Lloyd Albategnius is in the center. The large shadowed crater on its lower left floor is Klein.


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(IAU Directions)ALBATEGNIUS.--A magnificent walled-plain, 65 miles in diameter, adjoining Hipparchus on the S., surrounded by a massive complex rampart, prominently terraced, including many depressions, and crossed by several valleys. It is surmounted by very lofty peaks, one of which on the N.W. stands nearly 15,000 feet above the floor. The great ring-plain Albategnius A, 28 miles in diameter, intrudes far within the limits of the formation on the W., and its towering crest rises more than 10,000 feet above its floor, on which there is a small central mountain. The central mountain of Albategnius is more than 4,000 feet high, and, with the exception of a few minor elevations, is the only prominent feature in the interior, though there are many small craters. Schmidt counted forty with the Berlin refractor, among them 12 on the W. side, arranged like a string of pearls.



Additional Information

  • IAU page: Albategnius
  • Depth data from Kurt Fisher database
    • Pike, 1976: 3.2 km
    • Westfall, 2000: 3.2 km
    • Cherrington, 1969: 4.38 km
  • Central peak height
    • LTO77C1 (see LTO map above): 1600 - 1700 m - fatastronomer
    • See also here : 1735 m and Bibliography link below - JohnMoore2


  • Named for Albategnius, Albategni or Albatenius (c. 858-929), an Arab astronomer/astrologer and mathematician, born in Harran near Urfa, which is now in Turkey. His best-known achievement was the determination of the solar year as being 365 days, 5 hours, 46 minutes and 24 seconds.
  • Crater Albategnius G was called Alter by Wilkins and Moore after a contemporary American astronomer. The I.A.U. did not accept the name for that purpose, although it was later assigned to a farside crater.
  • Satellite crater Albategnius L is on the ALPO list of banded craters

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