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2026-08-24 04:06:08 UTC

APOD on Nostr: **Astronomy Picture of the Day** 24 August 2026 **Comet 220P in Outburst** Image: ...

**Astronomy Picture of the Day**

24 August 2026

**Comet 220P in Outburst**

Image:

Credit: Not provided

Comet 220P is unexpectedly bright. Normally, periodic Comet 220P/McNaught is so dim that to see it requires a telescope. Two surprising outbursts this year, however, have made it about 20,000 times brighter than usual, so that it is now visible with binoculars and long-duration camera exposures . As expected, Comet 220P continues to orbit the Sun between Mars and Jupiter with a period of over 5 years. The featured long duration exposure , taken 10 days ago from South Africa , shows the comet 's bright green head and short dust tail . Reasons for Comet 220P's impressive outbursts are unknown but could be caused by the release of built-up subsurface gas or comet quakes . Comet 220P will pass about one Earth-Sun distance from the Earth in October, after which it is expected to fade quickly as it begins its return to the far part of its orbit.

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https://apod.nasa.gov/apod/ap260824.html