Four+ minutes of totality is about as good as it gets.
I saw one such in Oaxaca summer of ‘91, quite by chance when visiting a friend.
A ring of fire around a black sun, bright stars in a black sky around the sun, surrounded by a 360 degree dawn around the horizon. I suspect the black sky/stars effect might be less dramatic closer to the edge of the shadow/shorter full totality.
I’ve already seen one, so won’t be braving the crowds for this one. Well worth a trip for someone who hasn’t.
"...if the gentlemen of Virginia shall send us a dozen of their sons, we would take great care in their education, instruct them in all we know, and make men of them." Canasatego 1744
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