Because Earth will be at its closest to the sun in early January, Monday's moon was also up to 30 percent brighter.
NASA has called Sunday night's appearance the first in a "supermoon trilogy", that will take place over the next two months. But for most skywatchers, the supermoon probably looked about the same as any other full moon.
Dr Griffin said the big, bright moon was "astonishingly lovely as it disappeared behind the hills of my home town as dawn brightened the sky".
Too busy to for moon viewing on Sunday? The next two will occur on January 1, 2018, and January 31.
New York City-based astrophotographer Gowrishakhar ("Gowri") Lakshminarayanan captured both these images of the supermoon on December 3, 2017, and a regular full moon in July, then created this infographic to compare the difference in size side by side.
Erik S. Lesser EPAAn airplane crosses in front of the moon a supermoon in Avondale Estates Georgia Dec.3 2017
The supermoon rises behind the Uppatasanti Pagoda seen from Naypyitaw, Myanmar, Sunday, Dec. 3, 2017. The next two will occur on Jan. 1, 2018, and Jan. 31; since the supermoon on Jan. 31 will be the second full moon in January, it's dubbed a Blue Moon, and will occur during a total lunar eclipse.
But the moon will still be big and full in the coming days, if the pictures are making you regret having missed it, or you want to relive the sight.
The supermoon sets behind the south tower of the Golden Gate Bridge in this photo by astrophotographer Kwong Liew.
A Supermoon is about 40,000 kilometers (~24,855 miles) closer to Earth, on average, than a micromoon, when the moon is at its furthest distance from us..
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