Astronomy Picture of the Day · September 22, 2013

Apollo's Analemma

The Astronomy Picture of the Day for September 22, 2013 is “Apollo's Analemma,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Anthony Ayiomamitis ( TWAN )). The original explanation runs about 201 words.

From the explanation

“Today, the Sun crosses the celestial equator heading south at 20:44 Universal Time. An equinox (equal night), this astronomical event marks the first day of autumn in the northern hemisphere and spring in the south.”

— APOD editors, September 22, 2013

Read the full explanation on science.nasa.gov

At a glance

Date: September 22, 2013
Type: Image
Credit: Credit: Image Credit & Copyright: Anthony Ayiomamitis ( TWAN )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 201 words

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Topics in this entry

The Sun Apollo program

Topics are matched from words in the title and explanation.

On this day: September 22 in other years

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Source

Astronomy Picture of the Day, September 22, 2013 — science.nasa.gov/image-article/apod-2013-september-22-apollos-analemma

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.