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Wednesday, 8 April 2015

Astronomy through the telescope. Lunar twin craters Sabine and Ritter.

Sabine (30 km and 1.3 km deep) is a lunar crater that forms a pair with Ritter crater (29 km) north-west, and are located on Mare Tranquillitatis basin, on south-west. The edges of these craters are separated by a distance of only 3 kilometers. To the west is crater Schmidt (11 km), bowl-shaped and further north are Manners (15 km) and Arago (26 km)

Ritter (29 km and 1.3 km deep) is a crater like Sabine, both in size, depth and shape, which makes me think that they were created by successive impacts during the same period.
To the north of it, are three smaller craters called Ritter C (14 km), B (14 km), D (7 km), written by their distance from Ritter.

In the picture we see a good part of Mare Tranquillitatis basin, the darker area.

Name of crater Sabine is given from General Sir Edward Sabine (October 14, 1788 - June 26, 1883), which was an Irish astronomer, geophysicist, explorer, soldier and President of the Royal Society.

His works are notable determining the second's length of a pendulum (two seconds means one second in each direction of the pendulum), and his research on the Earth's magnetic field.

The name crater Ritter is given from Karl Ritter (August 7, 1779 - September 28, 1859), which was a German geographer. Along with Alexander von Humboldt, he is considered one of the founders of geography. From 1825 until his death he held the first chair in geography at the University of Berlin.

Astronomy through the telescope. Lunar twin craters Sabine and Ritter.
 220 video frames, in Registax.
153 video frames, in Registax.
220 video frames, in Registax.

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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