Wednesday, April 22, 2015
Unknown
Horrocks crater (30 km) is a small crater, less its circular on the east margin. It is located on the east floor of the crater Hipparchus (150 km).
The inner wall has several terraces, and has no central peak.
The crater is named after Jeremiah Horrocks (1618 - January 3, 1641), which was an English astronomer. He was the first to demonstrate that Moon revolves around the Earth in an elliptical orbit. Also he was the first who predicted the transit of Venus in front of the Sun in 1639, an event which he and his friend William Crabtree were the only people who have observed and noted.
Moon Age: 9.05 days
Phase: 70.5% (0% = New, 100% = Full)
Distance: 399.221 km
Optics (telescope or lenses): Celestron C8-Newtonian telescope, eyepiece 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
Posted in: Craters-Hipparchus,Eponyms of Moon craters
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