Richard. By definition the Earth is “full” as seen from the Moon during a TSE but the visibility of earthshine is strongly dependent on the Earth’s albedo, which depends on cloud distribution. The clarity of the air long the line of sight is also important since any scattering from the corona reduces contrast. I agree that the lunar features were much fainter this eclipse but I think the maria are just visible (with some imagination) in the attached, highly stretched, image which is a 20s stack taken using a mono sensor at mid-eclipse.
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