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Saturday, 11 July 2015

Distances between craters. South-west Moon through astronomical telescope.

The whole surface of the Moon is interesting, especially observed through a telescope. It is true, here on Earth, we can't enjoy all of its surface, but only 59% of it, because it keeps the same face toward us without enjoying the "unseen face", or the "dark side" of it.

The images in this article, shows the south-west of the Moon. What we can see here, there are many interesting features, with craters of various shapes, some very interesting as Tycho's rays, or Gassendi (110 km) resembling a stone diamond ring and this time is at the terminator where light meets darkness.

Also identified here are other special craters as Clavius (225 km), south of Tycho (85 km). Both can be observed through binoculars, but differently: Clavius, for its large size but on Tycho we can not observe the crater itself through binoculars, but only the intense rays of the albedo which starts from it, thus being able to figure out where it is located. However, Tycho crater rays are not visible in any lighting conditions. To be observed, sunlight must shine from a high angle, such as when lunar phase is almost full.

We meet here only a basin on this side of the Moon, namely Mare Humorum.

In the last image are labeled a few craters and the distance between them to estimate how big the size of the Moon is. We can thus see that between Gassendi located on Moon's West and Langrenus (132 km) located on the Moon's east are 2,959 Km

Magnitude: -11.90
Phase: 0.86
Distance: 400.253 km
Illuminated: 85.8% (0% = new, 100% = full)

Astronomical Instrument: Celestron C8-Newtonian telescope
Eyepiece: Plossl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Camera: Sony CX105
Filter: no
Date: 06.11.2011
Location: Baia Mare, Romania
Processing: FastStone Image Viewer


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