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Full Blood Lunar Eclipse, Century's Longest: Watch In Oceanside

A lunar eclipse is a good reason to stay up late in Oceanside to see the full frost moon turn red in the longest such event this century.

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Lisa Frost, Community Contributor
The full blood lunar eclipse on Nov. 19 is technically a partial eclipse, but at its peak, Earth will block 98 percent of the sun's light from the moon, turning its face a burnished red.
The full blood lunar eclipse on Nov. 19 is technically a partial eclipse, but at its peak, Earth will block 98 percent of the sun's light from the moon, turning its face a burnished red. (Chris Hondros/Getty Images, FileGetty Images)

OCEANSIDE, CA — Mark Thursday and Friday, Nov. 18-19, on your calendar. You may want to plan a lunar eclipse party in Oceanside and watch the full frost moon turn red.

According to TimeAndDate.com, the Partial Lunar Eclipse will be visible in Oceanside beginning at Thu, Nov 18, 2021 at 10:02 pm. The maximum visibility will occur on Fri, Nov 19, 2021 at 1:02 am 0.974 Magnitude and ends Fri, Nov 19, 2021 at 4:03 am. Total Duration:6 hours, 2 minutes.

It's a partial eclipse visible here and throughout North America. It's going to be an impressive event, lasting 3 hours, 28 minutes and 23 seconds. That will make it the longest lunar eclipse of the 21st century, according to NASA.
And in practical terms, it's almost a total eclipse.

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Usually, light from the sun paints the face of the moon a grayish-white. But when the eclipse peaks around 1 a.m. Pacific Time on the 19th, our planet will block 98 percent of the sun's light from reaching the moon's surface, washing it in a reddish hue.

A partial lunar eclipse occurs when the moon passes through Earth's partial shadow, or penumbra, and only a portion of it passes through the darkest shadow, or umbra.

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A total or nearly total lunar eclipse often is called a "blood moon" for this reason. The November full moon, with or without an eclipse, is also called the full frost moon, sometimes called a full beaver or dark moon. All were terms used by Native American tribes, who gave distinctive names to the moons to mark the season. The frost moon is the last full moon of autumn.

Although the eclipse lasts about 3½ hours from start to finish, most of the action takes place in a 2-hour span. People in all 50 states will be able to watch it.

You don't need any special equipment to see it. All you need to do is walk outside and look up.
If it's cloudy or inconvenient to stay up and watch the eclipse, you can watch a livestream of the lunar eclipse.

This month's eclipse will be visible throughout most of North America, as well as eastern Russia, Japan, the Pacific Ocean, Mexico, Central America and parts of western South America.

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