The partial lunar eclipse will be the longest since the reign of Henry VI – .

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The partial lunar eclipse will be the longest since the reign of Henry VI – .


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Sky watchers will feast on the night between Thursday and Friday, when much of the planet will be able to see the longest partial lunar eclipse in nearly 600 years.

The only catch is that for much of Canada, the peak of the eclipse will be in the middle of the night.

But weather permitting, it might be worth braving the cold night air to catch a glimpse of the longest partial lunar eclipse since 1440, when Henry VI was King of England and the Inca Empire was expanding.

Jan Cami, director of the Hume Cronyn Memorial Observatory at Western University in London, Ont., Said the event will last a total of 208.4 minutes, which is long enough for a partial eclipse. He said the partial eclipse of February 18, 1440 lasted 208.8 minutes.

As the moon passes through the Earth’s shadow, it will take on a reddish and coppery hue, cast by sunlight refracting through our atmosphere.

When to watch?

The moon will begin to weaken noticeably just after 2 a.m. ET on Friday, as it begins to creep into the shadow or shadow of Earth.

According to NASA, the peak will occur around 4 a.m. ET. At its peak, it will be very close to a total eclipse – 97% of the moon will be covered by Earth’s shadow, leaving only a shard exposed on the left side. At 5:47 a.m. ET, the moon will emerge again.

Prime times in Canada include:

  • St. John’s : 5 h 30
  • Halifax : 5 h
  • Ottawa : 4 h
  • Winnipeg : 3 h 00
  • Calgary : 2 h 00
  • Vancouver: 1 h 00

A world map shows where the eclipse will be visible at the time of the greatest eclipse. The early parts of the eclipse are visible further east, while later periods are visible further west. All of North America, as well as much of South America, Polynesia, eastern Australia and Northeast Asia, will be able to attend the event, weather permitting. allow. (NASA)

According to Cami, the next time a partial eclipse will last that long will be in 2669.

He explained that the reason this partial eclipse lasts so long is that it is very close to a total eclipse.

A total eclipse has two partial phases – one before the total phase and one after the total phase. The only time there is an unusually long partial eclipse is when it’s almost total.

How to watch

There is no need for special equipment to watch the eclipse, but if you want to improve your viewing experience, try using a telephoto lens on a camera, binoculars, or telescope.

“With telescopes, seeing how the shadow crawls across the moon’s surface is quite fascinating,” Cami said.

If it’s cloudy, you can also choose to watch the eclipse live online on the Virtual Telescope Project.

div>WATCH | Animation of a total lunar eclipse:

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