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Wednesday, 29 October 2014

Craters on the surface of the Moon: Cichus Weiss and Hesiodus.




These images by the 8 " astronomical telescope, captures an area that is very close to the terminal, where are some craters like Cichus, Weiss and Hesiodus (43 km)

One feature that I have not noticed by now, is Rima Hesiodus, a ditch that starts at the western edge of the crater Hesiodus (stuck to northwestern edge of Pitatus (97 km)), and which in straight line reaches the eastern edge of the plateau Palus Epidemiarum (not observed under these conditions, being in shade). This ditch has a length of 300 km. At this stage, stands as a black wire to the west, reaching the high belt that surrounds Palus Epidemiarum, at which a total darkness begins.

Cichus crater (41 km), is also in the shade, but only inside, so it can be observed the upper edge thereof. On the west side, we can distinguish very well a small crater called Cichus C (11 km). Cichus A (21 km), is seen on southwest of Cichus, and Cichus B (14 km), to the east.


A larger crater, is located east of Cichus, called Weiss (66 km). It has a floor flooded by basaltic lava, and therefore is so smooth.

The northern part of Weiss's wall is nonexistent, and on the area where the wall has been removed, is a smaller crater, Weiss E (17 km) (center in picture). A long shadow of its edge, is projecting on the smooth plateau of Mare Nubium.






Moon Age: 9.05 days
Phase: 70.5% (0% = New, 100% = Full)
Distance: 399.221 km


Optics: Celestron C8-Newtonian telescope, 20mm Plossl, 2x barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 10/03/2014
Location: Baia Mare, Romania
Processing: Registax, FastStone Image Viewer





Monday, 27 October 2014

Stadius ghost crater on the Moon. Images by telescope.



Stadius crater is one which can barely be seen because it is almost completely flooded, and therefore very difficult to distinguish its edge. Crater shape is circular, and its floor is riddled with many small impacts, some forming rows of craters in formation, from south to north.
 

Stadius, with a diameter of 69 km, is considered a ghost crater, and the hardly distinguishable edge is due to the fact that in the past was flooded by basaltic lava. The floor is crossed by many small craters and on the west there's a chain of small craters reaching the Imbrium basin, being named after Stadius. Stadius has so many satellite craters framing almost the whole alphabet, from Stadius A to Stadius W. 

The position of Stadius, is southwest of Eratosthenes (58 km) and east of Copernicus (93 km).

The name of this crater is from Johannes Stadius or Estadius, (1 May 1527-17 June 1579). He was a flamand astronomer, astrologer and mathematician.





Moon Age: 9.05 days
Phase: 70.5% (0% = New, 100% = Full)
Distance: 399.221 km


Optics: Celestron C8-Newtonian telescope, 20mm Plossl, 2x barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 10/03/2014
Location: Baia Mare, Romania
Processing: Registax, FastStone Image Viewer





Saturday, 25 October 2014

Moon through telescope. Heraclitus and Licetus craters.



Heraclitus and Licetus (90/75 km) are two stuck together craters, but they are more complex than you think. The shape can confuse you because these are some overlapping craters. From what I can tell, Heraclitus is the oldest of them. If you remove craters are overlapped over it, you will see that this is a circular crater affected by many small impacts. Over it, were held two impacts: one to the north that formed the crater Licetus, and one to the south, called Heraclitus D (52 km). Images are upside down for better observation.

Circular crater to the southeast of Heraclitus, the Cuvier (75 km), which is sticking to the edge of Heraclitus.



Image for orientation from 29 April, 2012..

Moon Age: 9.05 days
Phase: 70.5% (0% = New, 100% = Full)
Distance: 399.221 km


Optics: Celestron C8-Newtonian telescope, 20mm Plossl, 2x barlow
Mount: CG5 (EQ5)
Camera: Sony CX130
Filter: no
Date: 10/03/2014
Location: Baia Mare, Romania
Processing: Registax, FastStone Image Viewer




 
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