Dorsum Von Cotta

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Dorsum Von Cotta

Lat: 23.2°N, Long: 11.9°E, Length: 199 km, Height: km, Rükl: 23

external image normal_dorsum-von-cotta2.jpg

external image normal_Dorsum-Von-Cotta_CLA-C11_LTVT.JPG

Left: LROC image WAC No. M116241995ME. Calibrated by LROC_WAC_Previewer.
Right: Consolidated Lunar Atlas, Plate C11 Dorsum Von Cotta is the north-south ridge to the right of center (closest to the terminator). To its immediate west is the parallel, but much shorter, Dorsum Owen, and to the south the diagonal ridge is a part of Dorsum Buckland. The north-south ridge passing through the crater on the far left is Dorsum Gast. The diagonal ridge above it is unnamed. The original IAU approval of the name Dorsum Von Cotta “as assigned” on the LTO charts would seem to apply only to the upper part, next to Dorsum Owen, for that is all that is labeled on the LTO’s and the accompanying LM-42. However, the position and diameter now given in the on-line IAU Planetary Gazetteer would seem to include the entire ridge, including possibly the part where it turns sharply to the southeast, paralleling Dorsum Buckland. That portion of the ridge is clearly depicted, but unlabeled, on LTO-42D1.


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Description: Wikipedia

Dorsum Von Cotta

Additional Information


Carl Bernard; German Earth scientist (1808-1879).
  • Dorsum Von Cotta was among the many names approved "as now assigned and printed on the 1:250,000 lunar map series" (LTO's) in IAU Transactions XVIB. Since the southward extension beyond the latitude of Aratus CA was not labeled as part of Dorsum Von Cotta on any of the LTO's, or on the accompanying LM-42 it is a bit hard to understand how the position and diameter listed in the on-line IAU Planetary Gazetteer came to include that area (however logical the extension may seem). - JimMosher

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