Archimedes - Aristillus - Auolycus - Montes Appenninus - 20220209 - Celestron C6 (altazastro)

Contains: Solar system body or event

Archimedes - Aristillus - Auolycus - Montes Appenninus - 20220209 - Celestron C6

Acquisition type: Lucky imaging

Archimedes - Aristillus - Auolycus - Montes Appenninus - 20220209 - Celestron C6

Acquisition type: Lucky imaging

On a slightly hazy night of rather good (albeit not perfect) seeing, I tried to "push the magnification" of my C6.
Now, 3000 mm of FL with 2.4 um pixels is rather in the oversampling range, albeit from what I read about the Nyquist Theorem, there is not a clear definition of the absolute upper boundary of sampling.
Indeed twice the theoretical resolution is just the "minimum" optimal sampling AND which resolution anyway?
Rayleigh, Dawes, Sparrow are good for double stars of equal magnitude, but what about lines-like object like rilles (or, famously, the Cassini division) or point-like object like very small craters or satellites?
So I think it is worth to try to push the envelope and see if something unexpected or, rather, not commonly considered, comes out.
Not this time apparently, even if this image is probably better thatn the other one I shot the same night.
Probably 2100 mm with the 178MM is about the maximum for the C6, except perhaps for super seeing 1+ nights, the like of which I have seen so far only once in my life.
That said a bigger image has some advantage for an ageing eyesight like mine, but probably magnification through interpolation would give the same result.

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Archimedes - Aristillus - Auolycus - Montes Appenninus - 20220209 - Celestron C6

Archimedes - Aristillus - Auolycus - Montes Appenninus - 20220209 - Celestron C6

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Archimedes - Aristillus - Auolycus - Montes Appenninus - 20220209 - Celestron C6

Archimedes - Aristillus - Auolycus - Montes Appenninus - 20220209 - Celestron C6

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