Astronomy Picture of the Day ·

Collinder 399: The Coat Hanger

The Astronomy Picture of the Day for August 26, 2015 is “Collinder 399: The Coat Hanger,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: John Chumack). The original explanation runs about 167 words.

Collinder 399: The Coat Hanger
Credit: Image Credit & Copyright: John Chumack Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Is this coat hanger a star cluster or an asterism? This cosmic hang-up has been debated over much of last century, as astronomers wondered whether this binocular-visible object is really a physically associated open cluster or a chance projection .”

— APOD editors, August 26, 2015

Read the full explanation on science.nasa.gov

At a glance

Date
August 26, 2015
Type
Image
Credit
Credit: Image Credit & Copyright: John Chumack
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 167 words

All of August 2015 → · 2015 by month → · Full archive since 1995 →

Topics in this entry

Star clusters

Topics are matched from words in the title and explanation.

On this day: August 26 in other years

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Source

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.