Moon on July 17, 2021 - Mare Fecunditatis and Craters Messier&A (JDJ)

Contains: Solar system body or event

Moon on July 17, 2021 - Mare Fecunditatis and Craters Messier&A

Acquisition type: Lucky imaging

Moon on July 17, 2021 - Mare Fecunditatis and Craters Messier&A

Acquisition type: Lucky imaging

Imaged the northeastern quadrant of the first quarter moon (45.8% illuminated) in this long focal length panorama captured the evening of July 16, 2021 (July 17th in UTC). The seeing and transparency were excellent this night and I ended up with some of my best 'hi-res' lunar imaging results. This is local crop from the overall panorama highlighting Mare Fecunditatis and Craters Messier & A. Messier & A are the pair of craters near the center of this image. Messier is the ovalized crater to the east and A is the crater to its left with the large ejecta rays pointing to the west. This crater pair is thought to have formed from a grazing impact coming in from the east that first formed Messier than resulting material formed A and the ejecta rays.

Imaged with a C8 Evo, ZWO ADC, Baader 685nm IR pass filter, and ZWO ASI174MM. Imaging train was configured to give ~F/20 (~0.18 arcsec/pixel). Image capture using Firecapture with gain set at 250 and an exposure of 12.5 ms. Stacking in AutoStakkert3 (best 25% of 1000 frames). Overall panorama generated from 26 panels using Microsoft Image Explorer. Wavelet sharpening and histogram adjustment in Registax6.

Schmidt-Cassegrain Telescope (SCT) Imagers
Suburban Astrophotography
Solar System Imaging
Cloudy Nights

Earth's Moon

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Moon on July 17, 2021 - Mare Fecunditatis and Craters Messier&A

Moon on July 17, 2021 - Mare Fecunditatis and Craters Messier&A

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Moon on July 17, 2021 - Mare Fecunditatis and Craters Messier&A

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