Want to see the Super Flower Blood Moon? Here's one scientist's tips for the total lunar eclipse.

Nov 19, 2021
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Why is the middle of the lunar eclipse not at the exact time of the full Moon?
Why such a variety of times?

This article lists the center of the eclipse at 04:11 GMT May 16, 2022
NASA lists it at 04:12:42 GMT
Wikipedia has it at 04:11:28

Heavens Above, MoonGiant list the full Moon at 04:14 UTC

Is this mere differences in accuracy of the calculations or is there some basic difference in definition between Full Moon and midpoint of lunar eclipse?
 

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