Astronomy Picture of the Day · September 25, 2000

AR 9169: A Large Sunspot

The Astronomy Picture of the Day for September 25, 2000 is “AR 9169: A Large Sunspot,” an image. The picture is copyrighted by its creator (Credit & Copyright: Ray Gralak). The original explanation runs about 143 words.

From the explanation

“One of the largest sunspots in recent years is now crossing our Sun . Dominating active region AR 9169 , the sunspot is the large dark complex visible below (west) and right of center in the above photograph of our Sun taken last Thursday.”

— APOD editors, September 25, 2000

Read the full explanation on science.nasa.gov

At a glance

Date: September 25, 2000
Type: Image
Credit: Credit & Copyright: Ray Gralak
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 143 words

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Topics in this entry

The Sun

Topics are matched from words in the title and explanation.

On this day: September 25 in other years

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Source

Astronomy Picture of the Day, September 25, 2000 — science.nasa.gov/image-article/apod-2000-september-25-ar-9169-a-large-sunspot

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.