November 27, 2010

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Audouin Dollfus

LPOD-Nov27-10.jpg
Langrenus image by K.C. Pau, Hong Kong, and Dollfus photo from Laurent Weill, France

On October 1, 2010 another giant of lunar and planetary astronomy of the 20th century died. Audouin Dollfus was born in 1925 and had a remarkably varied astronomical career, including the naked eye discovery of Saturn's moon Janus, and polarimetric studies of the Moon and the terrestrial planets. I talked with him a few times when he visited the Lunar and Planetary Lab during the 60s, and again at Lunar & Planetary Science Conferences in the 1990s. Here is part of an LPOD from Chuck Wood

Technical Details
Sept 12, 2003. 10" f/6 Newtonian plus 5x barlow plus Philips Toucam Pro, 130 frames stacked. Seeing 4/10, transparency 5/10.

Related Links
Rükl plate 49
Light glows on the Moon - BBC
Audouin Dollfus (2000) Lunar Surface Imaging Polarimetry. III. Langrenus, Icarus 420-429
Audouin Dollfus (2000) Langrenus: Transient Illuminations on the Moon, Icarus 430-443
Hodges, C.A. USGS I739 Geologic map of the Langrenus Quadrangle of the Moon. 1973 1:1,000,000


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