This epic cosmic event only lights up the sky once in a red moon.

On September 27th at 9:07PM EDT, Earthlings will get to witness a harvest moon mixed with a lunar eclipse. Known as a "supermoon" because of its close proximity to Earth, the distance makes it appear 14% larger as the planet orbits into Earth's shadow.

When the sunlight that passes through Earth's atmosphere reflects off of the enlarged moon, it produces an eerie red glow that can only be seen once every 18 years. 

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The partial eclipse will begin at 9:07PM, but the full eclipse of the moon will be going from 10:11PM to 11:23PM. The second partial eclipse will end at 12:27AM.

According to NASA, farmers used to would work late into the autumnal night to finish their crops, and would end up laboring by moonlight to finish the job. The harvest moon became known as the full moon that fell closest to the autumn equinox marking the start of the busy season.

This September also happens to bear the largest full moon of the year, making the rare occurrence all the more significant.

Weather permitting, the supermoon lunar eclipse will be visible from the Americas, Africa, and Europe.

(WATCH the video from NASA below to learn more…)

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