Plato Crater (Bruce Rohrlach)

Contains: Solar system body or event

Plato Crater

Acquisition type: Lucky imaging

Plato Crater

Acquisition type: Lucky imaging

Plato and environs during some average atmospheric seeing conditions 3 nights ago. I was surprised at the results, but guess if the seeing is OK then you can still salvage frames of better seeing between the wind gusts, especially if you max out your frame capture rate.

Only 5 craterlets are visible on the floor of the Plato crater, a measure which is typically a reliable guide to the seeing conditions. Have managed up to 10-11 craterlets the last time I imaged Plato in April 2019.

As noted in the small text, the light 'washes' of surfical ray material comprise fine fresh ejecta from the young, large Copernican age impacts, and concentrations of very small secondary impacts from fallout of excavated lunar crust created by the larger Copernican impacts. Most rays in this region originate from Anaxogoras (which overlaps the margin of Goldschmidt crater 900 km away) near the lunar north pole, a young Copernican-era impact younger than 1.1 billion years in age. In contrast, Plato is 3.84 billion years in age.

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