[NASA] APOD: 2026 September 13 – Comet NEOWISE Rising over the Adriatic Sea

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APOD

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3. APOD: 2026 September 13 –…

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APOD

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

Comet NEOWISE Rising Over the Adriatic Sea

Explanation: This sight was worth getting out of bed early. Just over four years ago, 

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 rose before dawn to the 

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 of northern sky enthusiasts awake that early. Up before sunrise on July 8th, the featured photographer was able to capture in dramatic fashion one of the few comets 

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 to the unaided eye this century, an inner-

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 intruder that has become known as the 

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 of 2020. The 

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 detailed Comet NEOWISE from 

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 rising over the 

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. The 

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 combines over 240 images taken over 30 minutes. 

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 was seen rising through a foreground of bright and undulating 

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, and before a background of distant stars. 

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 remained unexpectedly bright for over a month, with its 

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 tails 

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 from a 

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 spanning about five kilometers across.

APOD’s main NASA site is 

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Tomorrow’s picture: open space

Date	September 13, 2026
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Authors & editors:	Robert Nemiroff, Jerry Bonnell, Cecilia Chirenti, Keighley Rockcliffe
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