Monday, January 16, 2012
Unknown
Vlacq (89 km.), Is located on the south-east of the Moon. This crater is adjacent to the southeast edge of Hommel (125 km.), and north to Rosenberger (96 km.). Vlacq is more contoured than his neighbor Rosenberger, with a depth of 3 km. The other has a smaller depth of 2.2 km.
Rosenberger (96 km.) Appears oval when viewed from Earth, however, is almost circular .
This crater has been heavily eroded by numerous impacts so that the outer edge has become rounded and somewhat indistinct Satellite crater Rosenberger D, which is about 50 kilometers in diameter, is located in the northeastern edge of Rosenberger.
Crater name comes from Otto August Rosenberger (10 August, 1800 - 23 January, 1890) who was a German astronomer at the Baltic Sea in Tukums.
Rosenberger graduated from the University of Königsberg, and was noted for his study of comets. He won the Gold Medal of the Royal Astronomical Society in 1837.
Towards the south of Rosenberger (image is inverted), is the crater Biela and Hagecius with satellite craters.
Optics: Celestron C8-Newtonian telescope, plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Device: Sony CX105 to 8x optical zoom
Total Magnification: 800x
Filter: no
Date: 08/16/2011
Location: Baia Mare, Romania
Processing: video capture, FastStone Image Viewer
Posted in: Craters-Vlacq and Rosenberger
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