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Sunday, 12 June 2011

Sinus Medii and Rhaeticus crater

Photographer: Victor Lupu
Optics: Celestron C8-Newtonian telescope, plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Device: Sony CX105
Filter: No
Date: 10/02/2011
Location: Baia Mare, Romania
Processing: 10 Sony Vegas, video captures

Craters Triesnecker, Hyginus and Rhaeticus (43x49 km), are located in the center region of the Moon.

         Rhaeticus (43x49 km), is a lunar crater that is located on Moon's equator, on the southeast edge of Sinus Medii (plateau lying to the west of the crater). To the northwest is the crater Triesnecker and at northeast is Dembowski crater (26 km). The crater was named for Georg Joachim von Lauchen also known as Rheticus.
Rhaeticus's outer wall is disintegrated, with cuts in the northeast. The most intact is the east wall. There is a cut in the wall of the south-east. The general form of the edge is in hexagon, which is slightly elongated in a north-south. The interior was reformed by lava, and only a few elevations remain on the surface. The depth of this crater is 1.6 km.

         Sinus Medii (Latin for "Bay Center") is a small Moon plateau, which lies at the intersection of the Moon's equator and first meridian. From this place Earth would always appear above your head, although the planet's position would vary slightly due the oscilations.The main crater that is on this plateau is Triesnecker (26 km).
This plateau has the name of selenographer Johannes M├Ądler.  Coordinates of Sinus Medii are 2.4 ° N 1.7 ° E, and the diameter is 335 km. Mare Insularum is at  west,and Mare Vaporum on north.


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