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Uploaded 25-May-18
Taken 25-May-18
Visitors 54


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Dimensions1032 x 784
Original file size4.64 MB
Image typeTIFF
Color spacesRGB
Vallis Alpes

Vallis Alpes

May 23, 2018. 500 frames with a 1024x768 region of interest, ZWO ASI183MC Pro, stacked and processed in Registax 6. When I first looked at the moon through a telescope, this amazingly straight line riveted my eye. A "grabgen", fault about 200k long, assumed to be an after effect of the Imbrium basin impact.