Beer and Mädler’s map of Mars (1841)

beer_madler_1840

Publication Date: 1841
Cartographers: W. Beer and J. H. Mädler
Type: albedo map
Publication: Beer W and Mädler JH (1841) Beiträge zur physischen Kenntniss der himmlischen Körper im Sonnensysteme mit 7 Kupfertaf. Weimar. (Title plate)
Comment: W. Beer and J. H. Mädler chose first the dark albedo marking of Sinus Meridiani (labeled “a”) as the “Geenwich” of Mars. It remained the prime meridian to this day.

Image courtesy Ton Lindemann

 

IMG_1934.JPGmadler-mars

Courtesy of EA Whitaker

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