Astronomy Picture of the Day · January 21, 2023

Naked-eye Comet ZTF

The Astronomy Picture of the Day for January 21, 2023 is “Naked-eye Comet ZTF,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Óscar Martín Mesonero ( Organización Salmantina de la Astronáutica y el Espacio )). The original explanation runs about 126 words.

From the explanation

“Comet C/2022E3 (ZTF) no longer requires a telescope for viewing. By January 19, it could just be seen with the naked eye in this rural sky with little light pollution from a location about 20 kilometers from Salamanca, Spain.”

— APOD editors, January 21, 2023

Read the full explanation on science.nasa.gov

At a glance

Date: January 21, 2023
Type: Image
Credit: Credit: Image Credit & Copyright: Óscar Martín Mesonero ( Organización Salmantina de la Astronáutica y el Espacio )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 126 words

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Topics in this entry

Comets

Topics are matched from words in the title and explanation.

On this day: January 21 in other years

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Source

Astronomy Picture of the Day, January 21, 2023 — science.nasa.gov/image-article/apod-2023-january-21-naked-eye-comet-ztf

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.