Fist Bump from the Moon
Taken by Mark A. Brown on June 15, 2021 @
Marion, Iowa
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
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Date Taken: 2021:06:16 12:43:28
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Details:
Last night, the Moon gave me a fist bump from Crater Theophilus. It was so strikingly clear as I scanned along the Moon's terminator looking at the contrast differences as well as the crater features and mountains. As I scanned along craters Catharina, Cyrillus and Theophilus, it became very apparent there was a sign or a greeting coming from the Moon. Many of us have heard of the Lunar X and Lunar V features on the Moon. Such features (and others) are most striking when they are visible along the shadowy side of the Moon's terminator as we approach First Quarter. We see these features as an illusion created by sunlight falling on the rims, mountains, and ridges as sunlight creeps up and around them. Theophilus has a lumpy mass of mountain material in the center of its crater that rises up some 6,000 feet. Last night the sunlight was just right to see this fist bump. At the time of spotting the fist bump, the Moon was 5.3 days old and 28.6% illuminated. It was so very cool to see this striking and unexpected feature!
Captured with a Canon 60Da through a Celestron CPC 1100 SCT with an f/6.3 focal reducer. ISO 100, 1/200 second exposure
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