Thursday, May 09, 2013
Unknown
When the sun shines at a high angle the Moon, it reveals a total mess. At this time, the rays of Tycho (85 km), with an intense albedo, stand out scattered on most craters in its vicinity and beyond. These rays are present here going over the huge crater Clavius (225 km), a complex crater with a special shape, easy to remember.
Notice a communication, as a white line between Porter crater (52 km) and Clavius D (28 km) on the floor of Clavius. This is a difference of levels on the floor. As you can see, the floor of Clavius is divided in two shades, a darker (eastern half, which is high), and a lighter (the western half, which is lower). Note that the image is upside down as seen through the telescope, and thus the cardinal points are reversed.
Images are processed in Registax, of a video in which this program took 798 shots, merged to form a single image, at 75% best quality. Below we can see the Moon as it was that night. And this picture is processed in Registax program too.
Age of the Moon: 17 days
Phase: 90% (0% = New, 100% = Full)
Distance: 399796 km
Optics: Celestron C8-Newtonian telescope, 20mm Plossl, 2x Barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 03/09/2012
Location: Baia Mare, Romania
Processing: Registax, FastStone Image Viewer
Posted in: Craters-Clavius
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