Blanchinus (crater)
Lunar Orbiter 4 image
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| Coordinates | 25°24′S 2°30′E / 25.4°S 2.5°ECoordinates: 25°24′S 2°30′E / 25.4°S 2.5°E |
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| Diameter | 58 × 68 km |
| Depth | 4.2 km |
| Colongitude | 358° at sunrise |
| Eponym | Giovanni Bianchini |
Blanchinus is a lunar crater that is situated in the rugged south-central highlands of the Moon. Adjacent to the south of Blanchinus is the crater Werner, and La Caille is attached to the northwest rim. West of the crater is the prominent formation Purbach and on the other side to the east is the smaller Krusenstern.
The outer rim of Blanchinus has been significantly degraded by subsequent impacts, leaving an irregular, notched exterior ring of rugged hills and ridges. The inner floor, in contrast, is nearly flat and free of significant impacts. Only a few tiny craterlets mark the interior surface, with Blanchinus M located near the midpoint and the remainder lie near the southwest rim.
For a few hours before the first quarter, the crater's rim contributes the lunar x visual phenomenon.
The crater is named after Giovanni Bianchini whose Latinized name is Blanchinus. It owes no relation to the etymology of another crater, but called Bianchini which is named after Francesco Bianchini and is located in the Moon's Northern Hemisphere and is located inside Montes Jura northwest of Mare Imbrium. Blanchinus does not mainly confuse another crater on the Moon named Blancanus.
By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Blanchinus.
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Wikipedia