Astronomy Picture of the Day · November 2021

APOD, November 2021

30 entries from November 2021: 27 images and 3 videos. 24 carry a copyright notice from the credited creator.

The picture shows a waterfall under a night sky dominated by the arch of our Milky Way Galaxy. Please see the explanation for more detailed information. November 1, 2021 · Copyrighted

A Waterfall and the Milky Way

Image Credit & Copyright: Xie Jie
The picture shows two images of a galaxy cluster. One image shows three images of the same background supernova, while the other image shows they have all disappeard. Please see the explanation for more detailed information. November 2, 2021

SN Requiem: A Supernova Seen Three Times So Far

Image Credit: NASA , ESA , Hubble ; Data: S. A. Rodney ( U. South Carolina ) et al. ; Image Processing: J. DePasquale ( STScI )
The picture shows a deep image of the part of the Orion Nebula that features both the Horsehead Nebula and the Flame Nebula. Detailed surrounding dust and stars are also visible. Please see the explanation for more detailed information. November 3, 2021 · Copyrighted

The Horsehead and Flame Nebulas

Image Credit & Copyright: Wissam Ayoub
NGC 147 and NGC 185 November 4, 2021 · Copyrighted

NGC 147 and NGC 185

Image Credit & Copyright: Dan Bartlett
The Dark Seahorse in Cepheus November 5, 2021 · Copyrighted

The Dark Seahorse in Cepheus

Image Credit & Copyright: Valerio Avitabile
The Galaxy Between Two Friends November 6, 2021 · Copyrighted

The Galaxy Between Two Friends

Image Credit & Copyright: Martin Lefranc
The picture shows a deep image of Cat's Eye Nebula with image data from both the Hubble and Chandra Space Telescopes. Please see the explanation for more detailed information. November 7, 2021 · Copyrighted

The Cat's Eye Nebula in Optical and X-ray

Image Credit: NASA , ESA , Hubble Legacy Archive ; Chandra X-ray Obs. ; Processing & Copyright: Rudy Pohl
A Filament Leaps from the Sun November 8, 2021 · Video · Copyrighted

A Filament Leaps from the Sun

Video Credit & Copyright: Stéphane Poirier
The picture shows 244 astronomy images faked using artificial intelligence -- and one real astronomy image chosen from APOD. Please see the explanation for more detailed information. November 9, 2021

All of These Space Images are Fake Except One

Image Credit: M. J. Smith et al. ( U. Hertfordshire )
Video of a Green Flash November 10, 2021 · Video · Copyrighted

Video of a Green Flash

Video Credit & Copyright: Paolo Lazzarotti
NGC 1333: Stellar Nursery in Perseus November 11, 2021 · Copyrighted

NGC 1333: Stellar Nursery in Perseus

Image Credit & Copyright: Michael Sherick
M33: The Triangulum Galaxy November 12, 2021 · Copyrighted

M33: The Triangulum Galaxy

Image Credit & Copyright: Bernard Miller
Rosetta's Comet in Gemini November 13, 2021 · Copyrighted

Rosetta's Comet in Gemini

Image Credit & Copyright: Rolando Ligustri ( CARA Project , CAST )
The illustration shows a decision tree showing how to identify bright lights that you might see in the night sky. Please see the explanation for more detailed information. November 14, 2021 · Copyrighted

How to Identify that Light in the Sky

Illustration Credit & Copyright: HK ( The League of Lost Causes )
The illustration shows a red light-pillar at night over Mt.Etna, an erupting volcano in Italy. Please see the explanation for more detailed information. November 15, 2021 · Copyrighted

Light Pillar over Volcanic Etna

Image Credit & Copyright: Giancarlo Tinè
The picture shows a composite of over 200 Geminid meteors from the 2020 Geminids meteor shower over Lake Lugu in Yunnan, China. Please see the explanation for more detailed information. November 16, 2021 · Copyrighted

Geminids from Gemini

Image Credit & Copyright: Wang Jin
The Hubble image shows the two spiral galaxies directly overlapping in the system designated NGC 3314. Please see the explanation for more detailed information. November 17, 2021 · Copyrighted

NGC 3314: When Galaxies Overlap

Image Credit: NASA , ESA, Hubble ; Processing & Copyright: William Ostling ( The Astronomy Enthusiast )
Full Moonlight November 18, 2021 · Copyrighted

Full Moonlight

Image Credit & Copyright: Zhengjie Wu and Jeff Dai ( TWAN )
NGC 281: Starless with Stars November 19, 2021 · Copyrighted

NGC 281: Starless with Stars

Image Credit & Copyright: Wido Oerlemans – X-ray: Chandra , Infrared: Spitzer
An Almost Total Lunar Eclipse November 20, 2021 · Copyrighted

An Almost Total Lunar Eclipse

Image Credit & Copyright: Robert Fedez
The featured image shows an image of Comet Leonard complete with a green coma and a dust tail. Please see the explanation for more detailed information. November 21, 2021 · Copyrighted

Introducing Comet Leonard

Image Credit & Copyright: Dan Bartlett
The featured image shows the Moon in partial eclipse over the Gran Torre Santiago building in Chile. Please see the explanation for more detailed information. November 22, 2021 · Copyrighted

Lunar Eclipse over a Skyscraper

Image Credit & Copyright: Yuri Beletsky ( Carnegie Las Campanas Observatory , TWAN )
The featured image shows the Sun in X-ray light as shown by NASA's NuSTAR satellite -- superimposed on an image in ultraviolet light taken by NASA's Solar Dynamic Observatory. Please see the explanation for more detailed information. November 23, 2021

The Sun in X-rays from NuSTAR

Image Credit: NASA , NuSTAR , SDO
The featured image shows a deep image of the Pleiades open star cluster taken from Florida in the USA. Please see the explanation for more detailed information. November 24, 2021 · Copyrighted

Pleiades: The Seven Sisters Star Cluster

Image Credit & Copyright: Damien Cannane
At the Shadow's Edge November 25, 2021 · Copyrighted

At the Shadow's Edge

Image Credit & Copyright: Jean-Francois Gout
Great Refractor and Lunar Eclipse November 26, 2021 · Copyrighted

Great Refractor and Lunar Eclipse

Image Credit & Copyright: Laurie Hatch
Messier 101 November 27, 2021

Messier 101

Image Credit: NASA , ESA , CFHT , NOAO ; Acknowledgement – K.Kuntz ( GSFC ), F.Bresolin ( U.Hawaii ), J.Trauger ( JPL ), J.Mould ( NOAO ), Y.-H.Chu ( U. Illinois )
The featured image shows a kilometer-high cliff that occurs on Comet Churyumov-Gerasimenko as imaged by ESA's Rosetta spacecraft in 2014. Please see the explanation for more detailed information. November 28, 2021

A High Cliff on Comet Churyumov-Gerasimenko

Image Credit & Licence: ESA , Rosetta spacecraft , NAVCAM; Additional Processing: Stuart Atkinson
The featured image shows an unusual spiral structure in the binary star system LL Pegasi as captured by the Hubble Space Telescope. Please see the explanation for more detailed information. November 29, 2021 · Copyrighted

The Extraordinary Spiral in LL Pegasi

Image Credit: NASA , ESA , Hubble , HLA ; Processing & Copyright: Jonathan Lodge
In Motion: Uranus and Moons November 30, 2021 · Video

In Motion: Uranus and Moons

Video Credit: David Campbell ( U. Hertfordshire ), Bayfordbury Observatory

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