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Sunday, 22 May 2011

Segner Scheiner and Bayer craters-lunar images

Photographer: Victor Lupu
Optics: Celestron C8-Newtonian reflector telescope, plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Device: Sony HDR CX105
Filter: No
Date: 15/02/2011
Location: Baia Mare, Romania
Processing: video capture

Crater Schiller (179x71 km), Zucchius (64 km.) Bettinus (71 km.) And Kircher (73 km.), are located in the south-west part of the Moon.
Other craters in these photos are Segner (67 km), Scheiner (110 km) and Bayer (47 km).

        Segner (67 km), is a lunar crater located northeast of the crater Bailly (303 km). Zucchius crater is a few kilometers south-west and north-east of the unusual crater Schiller. Weigel crater (36 km), less is located east of Segner.
Segner is has a low margin than Zucchius nearby. On the floor are distinguishable only a pair of small craters and has a slightly wavy surface. It shows no central peak.
The name comes from Johann Segner (09/10/1704-05/10/1777)  a hungarian scientist who was born with the original name János András Segner.

         Scheiner (110 km), is a crater which lies west of Clavius. In the southeast edge near Clavius ​​is Blancanus (105 km). Scheiner's rim is eroded, and marked by multiple impacts. It is most affected on the north walls, where a group of small craters cover the entrance to a small valley that leads north. The floor of the crater shows many small craters, including Scheiner A (12 km), that is in the middle. There is also a low ridge that crosses the eastern part of the floor.
The name is given from Christoph Scheiner (25 July 1573 (or 1575), born in Markt Wald near Mindelheim in Swabia, who was a jesuit priest, physicist and astronomer in Ingolstadt.

         Bayer (47 km) crater is located east of the crater Schiller. Bayer's edge is slightly eroded, but remains well defined.  The outer wall is affected by the impact. Bayer's floor is relatively flat and lacks a central peak. There is a small crater, but noticeable on the floor near the west wall. This crater has a breach in the northern edge.
Crater name comes from Johann Bayer (1572 - 7 March 1625) which was a German lawyer and uranographer (celestial cartographer). He was born in Bavaria in 1572.


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