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I did a two minute internet search and every result says that the Hubble doesn't have the angular resolution for this. It could resolve a football field on the moon, but not anything smaller.

It was made to look at nebulae and galaxies, and those are a lot bigger, even in apparent size.

Focal distance doesn't matter when the aperture is so infinitesimally small compared to the distances. All space telescopes are focused to infinity no matter what they're observing up there.