The Straight Wall on the Moon – December 26, 2017

Rupes Recta, a linear fault line, or rille, casts this interesting shadow during the first quarter phase of the moon giving the nickname the Straight Wall. This fault has a length of about 68 miles (110 kilometers). The small (11 miles wide) crater Birt lies just to the west.

Tech Specs: Meade 12” LX90, Celestron CGEM-DX mount, ZWO ASI290MC camera, best 3,300 frames out of 10,000 captured with SharpCap v3.0. Image Date: December 26, 2017. Location: The Dark Side Observatory in Weatherly, PA.

…Tom

One Response to The Straight Wall on the Moon – December 26, 2017

  1. Another great pic! It’ll be lovely, if you mention the magnification used whenever you take a picture.
    Thanks a bunch!

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