Contains:  Solar system body or event
Lunar X and V, Neal Weston

Lunar X and V

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Description

The Lunar X is a clair-obscur effect in which light and shadow creates the appearance of a letter 'X' on the rim of the Blanchinus, La Caille and Purbach craters. The X is visible only for a few hours before the first quarter, slightly below the lunar terminator.

The Lunar V is a similar effect along the terminator North of the X.

Comments

Histogram

Lunar X and V, Neal Weston