When to view the Sturgeon “Super Moon” Thursday night

The full Moon Thursday night will be the third closest the Moon has been to Earth while full in 2022.

Jon Kelvey
Thursday 11 August 2022 19:38 BST
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A Sturgeon Super Moon as seen from Arlington, Virginia on 10 August 2014
A Sturgeon Super Moon as seen from Arlington, Virginia on 10 August 2014 (Nasa)

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Thursday evening will treat sky watchers to a bright full moon, and the last “Super Moon” of 2022.

Known as the Sturgeon Moon by native North American tribes, the August full is also known as the Nikini Poya in Sri Lanka, and will reach fullness at 9.36pm EDT Thursday evening for observers West of Cape Verde, according to a Nasa blog on the full Moon. The full Moon will appear on Friday for those east of the Cape Verde time zone.

In addition to being a full Moon, the Sturgeon Moon is also a marginal Super Moon, meaning it will appear somewhat brighter than other full moons. A Super Moon occurs when a full moon coincides with the moon’s perigee, or closest approach to Earth in its elliptical orbit around our planet, according to Nasa, and a Super Moon can appear 14 to 30 percent bright than a full moon at when the moon is the furthest distance from Earth along its orbit.

Thursday’s full moon is a partial Super Moon because the moon actually reached perigee on Wednesday. And given that the moon’s orbit varies in how close it comes to Earth at perigee, the Sturgeon Super Moon will also be the third closest Super Moon of 2022.

The term Super Moon is actually of non-scientific origins, having originally been coined by an astrologer, not an astronomer, according to Nasa.

Considerations of Super Moons aside, the moon will appear full into Saturday evening, which will crowd out another celestial light show: The annual Perseids meteor shower.

The Perseids are considered one of the best meteor showers of the year, bringing as many as 100 shooting stars per hour during its peak. Unfortunately, this year the Perseids will peak on Friday and Saturday when the still bright light of the Sturgeon Moon will make them harder to see.

But Nasa suggests not all is lost: The very brightest Perseids may still show up after midnight if you watch the sky away from the moon, and the shower itself will continue, albeit with less frequency, through 1 September.

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