Lunar X and V | Dimitrios Tsortanidis

Dimitrios Tsortanidis
Location of photo
Patras Greece
Date/Time of photo
10 April 2011 22.33 local time
Camera Canon 500D Telescope Meade LX200 ACF 10"
You can see the "V" and "X" on the terminator. This does not happen every month. This is a clair-obscure (french for light-shadow) effect on the Moon's surface created by the interplay of light and shadow.It is visible for around 4 hours at the first quarter phase.
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