Wednesday, November 23, 2011
Unknown
Optica: telescop Celestron C8-newtonian, plossl 20mm, Barlow 2x
Montura: CG5 (EQ5)
Aparat: Sony CX105 la zoom optic 8x
Magnificatie totala: 800x
Filtru: nu
Date: 16.07.2011
Locatie: Baia Mare, România
Procesare: FastStone, capturi video
Langrenus impact crater (132 km) is located near the eastern limb of the eastern Moon, with a circular shape, but appears elongated because of his position. It lies east of Mare Fecunditatis.
Langrenus's inner wall is large and irregularly terraced with an average width of about 20 kilometers. Outer ramparts are irregular and there is a fragmented system of rays spreading to the west. The interior has a higher albedo than the surroundings, so it is visible when the Sun is above it.
The floor is covered with boulders.
Central peaks rise about one kilometer above the floor, and a peak on the eastern edge rises to an altitude of 3 km.
Flemish Astronomer Michel Florent van Langren was the first person to draw a map while he gave names to many of the features of the Moon. He even named this crater after himself.
Posted in: Craters,Craters of the east,Craters-Langrenus
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