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Neper - with Virchow on the NW part of its floor

Lat: 8.5°N, Long: 84.6°E, Diam: 137 km, Depth: 4.45 km, Rükl: 38, Nectarian

external image Neper-iv165-h3.jpgNeper.jpg
left: IV165-H3 . right: LROC


LPOD Photo Gallery Lunar Orbiter Images Apollo Images

  • AS11-44-6651 shows Neper and Virchow at right, Mare Smythii at left, and the Last Quarter Earth way above the curved lunar horizon. Looking west. - DannyCaes Dec 25, 2007


(LAC zone 63B4) LTO map USGS Digital Atlas PDF


Description: Elger

Though still nearer the limb, this walled-plain, 74 miles in diameter, is a much more conspicuous object. It has a lofty border and a prominent central mountain, the highest portion of a range of hills which traverses the interior from N. to S.

Description: Wikipedia


Additional Information


  • Named for John Napierof Merchistoun (1550 – 4 April 1617), nicknamed Marvellous Merchistoun, was a Scottish mathematician, physicist, astronomer/astrologer and 8th Laird of Merchistoun.
  • According to Whitaker (p. 218), this name was introduced into the modern nomenclature by Schröter, but it had been used earlier by Van Langren.

LPOD Articles

Deep, Young and Ashy New Perspective, Old Image


Harold Hill. A Portfolio of Lunar Drawings, pages 30, 31, 32, 33.