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Thursday, 1 December 2011

Craters Strabo and Thales-astronomical images

Photographer: Victor Lupu
Optics: Celestron C8-Newtonian telescope, plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Device: Sony CX105 at 8x optical zoom
Total Magnification: 800x
Filter: no
Date: 12/05/2011
Location: Baia Mare, Romania
Processing: Sony Vegas 10 video captures

         Strabo (55 km), is a lunar crater that is located near the northeastern edge of the Moon. At this angle the crater appears oval due to its position. It is attached to the northern edge of De La Rue (136 km). On the west is the smaller crater Thales (32 km) and on north is a chain of three similar craters called Strabo L, Strabo B, and Strabo N.

 Inner edge of, Strabo is terraced, with a small crater along the east wall. The interior has been flooded by lava in the past and is now relatively flat. The crater has a depth of 3.8 km.

         Thales (32 km) has a ray system that extends over 600 kilometers. An area northwest of the crater has no rays, indicating that the crater could be formed by a low-angle impact from this direction.
The interior wall has several terraces, particularly along the south. The edges have a higher albedo than the surrounding terrain. Thales has a depth of 1.8 km.


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