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

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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