Daily Cosmobite: First quarter Moon – Mare Tranquilitatis

MoonByHargrave.c1880The Moon is at first quarter phase at 1:48pm (AEDT) today. Mare Tranquilitatis, the landing place of Apollo 11, is clearly visible as an irregular dark patch in the middle of the illuminated hemisphere.

The first quarter Moon photographed by Lawrence Hargrave from Sydney Observatory around 1880.

 

 

 

 

 

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