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Clear Skies in Maine for Harvest Moon, First Supermoon of 2025
The October Harvest Moon is the first supermoon of 2025, appearing larger and brighter due to its close 226,000-mile orbit, a rare event not seen since 1987.
Peaking at 11:47 p.m. ET on Monday, Oct. 6, tonight's full moon is both a Harvest Moon and a supermoon, brightening the night sky for several evenings for East Coast stargazers.
Because lunar months don't match the solar year, the Harvest Moon can fall in October when calendars misalign, while NASA explains supermoons occur when a full moon coincides with perigee.
About 226,000 miles away, tonight's full moon will appear about 30% brighter and up to 14% larger, looking especially large near the horizon glow due to the Moon Illusion.
East Coast viewers will see the supermoon just before midnight, while Chicago-area observers get a strong view at 10:48 p.m. CT; NASA notes the next supermoon peaks at 7:19 a.m. on November 5.
Through later this month, NASA explains, the first of four consecutive supermoons begins, including the Beaver Moon on Nov. 5 and the Cold Moon on Dec. 4.