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Saturday, 23 July 2011

Guericke Parry craters and Mare Nubium

Photographer: Victor Lupu
Optics: Celestron C8-Newtonian telescope, plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Device: Sony CX105
Filter: No
Date: 11/05/2011
Location: Baia Mare, Romania
Processing: video captures

         Guericke (58 km), is the remnant of a lunar crater on the northern Mare Nubium. To the northwest is Fra Mauro formation, with Bonpland and Parry craters. To the east are craters Kundt  (11 km) and Davy (35 km).
Guericke's surviving edge was damaged and partially submerged in basalt lava covering the floor. The wall is now little more than some circular increases. The remnant flooded crater  Guericke F (21 km) is attached outside, to the southwest.
Crater name is given from Otto von Guericke (20 November 1602-11 May 1686), which was a german scientist, politician and inventor.

        Parry crater (48 km), have about the same features,being flooded with lava. The crater name is not written in the photo below because I forgot, but is north of Guericke and you can see only the light  edges, the bottom of the crater being in dark.Name of the crater comes from Sir William Edward Parry (19 December 1790-8 July 1855), which was an English admiral and Arctic explorer, and who in 1827 tried one of the first expedition to the North Pole.

        Mare Nubium ("sea of clouds") -715 km diameter ,it is located in Nubium Basin,on the southeast of Oceanus Procellarum. The basin is considered to be pre-Nectarian, the material around the mare being from lower Imbrian era and the basin material,from upper Imbrian era. First images ever made ​​by Lunar Reconnaissance Orbiter was from Mare Nubium.
Other craters in these photos are : Arzachel,Alphonsus,Alpetragius,Thebit,Davy (35 km),Lassel (23 km),but also Rupes Recta and Rima Birt.


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