South of Alphonsus, is Arzachel (97 km), a deep prominent crater with a central mountain. Central peak of 19 km long, rises above the center of the floor. It is affected by two small craters, along its southern flanks. Under a large sun of this crater is difficult to discern through binoculars or small telescopes.
The most exciting and magnificent trio linked craters, are Ptolemaeus, Alphonsus and Arzachel.
Arzachel prominent crater is similar in size and some topographical features, with Copernicus, but is much older. Arzachel was formed in an area already heavily cratered, but clear sculpted traces upon impact outside the crater can be seen in the area, especially to the west and south of the crater.
Optics: Celestron C8 "-Newtonian telescope, Plössl 20mm, 2x Barlow
Mount: CG5 (EQ5)
Device: Sony CX-130
Video mode: Full HD progressive 1920x1080
Location: Baia Mare, Romania
Processing and editing: Sony Vegas 10
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