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Thursday, 29 December 2011

Pontécoulant crater. Pictures by telescope

Pontécoulant (91 km), is a prominent impact crater that is located in the south-east of the Moon, which has a depth of 1.8 km. Because of its position, appears oval in shape seen from the Earth and it is difficult to see much detail. Nearby craters Hanno (56 km) north-east, and on south, comparable in size, is Helmholtz.

This crater has a terraced inner wall, which is almost circular, but with an outward extension to the south-est.B The rim is somewhat affected, but retains many details. Pontécoulant partially overlaps Pontécoulant E (44 km), a crater wich is older, on the southern edge.

Crater's name is Gustave Doulcet Philippe, Comte of Pontécoulant (1795-1874), who was a French astronomer.

Photographer: Victor Lupu
Optics: Celestron C8-Newtonian telescope, plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Device: Sony CX105 to 8x optical zoom
Total Magnification: 800x
Filter: no
Date: 08/16/2011
Location: Baia Mare, Romania
Processing: video capture, FastStone Image Viewer


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