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Saturday, 14 February 2015

Information about the Moon. Lalande crater processed in Registax.

65 video frames in Registax.

Lalande (24 km), is a small lunar crater located the central part of the visible Moon on the eastern edge of Mare Insularum. The crater is surrounded by an area with a high albedo, from which extends a ray system with a maximum radius of 300 kilometers. The inner wall has a system of terraces and is a small bump on the center of the floor. This crater is thought to have formed about some 2.8 billion years ago.

This crater is small, only 24 kilometers, and on its east there is a similar crater called Mosting, of 26 kilometers.

During the bombing of the Moon, the greatest impacts were strong enough to throw pieces of it in space, and some of them have reached Earth's orbit and possibly fell on its surface where now can be collected. In total, about 33 kilograms of lunar samples were collected in this way. Meteorites contain a lot of different types of rock material, so we can learn about the different parts of the Moon. Some meteorites are the same as others and that tells us that they came from the same meteoroid that has broke into Earth's atmosphere while it fall on the surface. It is impossible to know exactly from which part of the Moon came these meteorites, due to a small number of lunar landings on the Moon.

There is only one example where scientists think may indicate a precise location for a lunar meteorite, but it exists much controversy about its origin. SaU 169 meteorite found in Oman in 2002, has a unique composition making scientists to believe that it came from a single location on the Moon, from a place near the crater Lalande.
Lalande crater info.

Coordinates4.4°S 8.6°W
Diameter24 km
Depth2.6 km
Colongitude9° at sunrise
EponymJoseph J. L. de Lalande

Moon Age: 9.05 days
Phase: 70.5% (0% = New, 100% = Full)
Distance: 399.221 km

Optics (telescope or lenses): Celestron C8-Newtonian telescope, eyepiece 20mm Plossl, 2x barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 10/03/2014
Location: Baia Mare, Romania
Processing: Registax,  FastStone Image Viewer


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