Astronomy Picture of the Day · October 17, 2013

ISON, Mars, Regulus

The Astronomy Picture of the Day for October 17, 2013 is “ISON, Mars, Regulus,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Pete Lawrence ( Digital-Astronomy )). The original explanation runs about 206 words.

From the explanation

“In order top to bottom this celestial snapshot features Comet ISON, planet Mars, and Regulus, alpha star of the constellation Leo, in the same frame. The scene spans about 2 degrees near the eastern horizon in early morning skies of October 15.”

— APOD editors, October 17, 2013

Read the full explanation on science.nasa.gov

At a glance

Date: October 17, 2013
Type: Image
Credit: Credit: Image Credit & Copyright: Pete Lawrence ( Digital-Astronomy )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 206 words

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Topics in this entry

Mars Comets

Topics are matched from words in the title and explanation.

On this day: October 17 in other years

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Source

Astronomy Picture of the Day, October 17, 2013 — science.nasa.gov/image-article/apod-2013-october-17-ison-mars-regulus

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.