Astronomy Picture of the Day · April 2023

APOD, April 2023

30 entries from April 2023: 30 images and 0 videos. 15 carry a copyright notice from the credited creator.

NGC 2442: Galaxy in Volans April 1, 2023 · Copyrighted

NGC 2442: Galaxy in Volans

Image Credit & Copyright: Nicolas Rolland , Martin Pugh
A colorful oval nebula is shown star field is shown in a sparse starfield. Fainter red nebulosity surrounds the bright oval. A relatively bright star is seen in the oval's center. Please see the explanation for more detailed information. April 2, 2023

M57: The Ring Nebula from Hubble

Image Credit: NASA , ESA , Hubble Legacy Archive ; Processing: Judy Schmidt
A false-color yellow-on red radio image of our Galactic Center shows yellow radio-emitting arcs above streaks and a bright cocoon that contains our Galaxy's central black hole. Please see the explanation for more detailed information. April 3, 2023

The Galactic Center Radio Arc

Image Credit: Ian Heywood ( Oxford U. ), SARAO ;
A large orange volcano is pictured on Mars from above. Please see the explanation for more detailed information. April 4, 2023

Olympus Mons: Largest Volcano in the Solar System

Image Credit: ESA , DLR , FU Berlin , Mars Express ; Processing & CC BY 2.0 License : Andrea Luck
Rubin's Galaxy April 5, 2023

Rubin's Galaxy

Image Credit: NASA , ESA , B. Holwerda (University of Louisville)
Terran 1 Burns Methalox April 6, 2023

Terran 1 Burns Methalox

Image Credit: Relativity / John Kraus
Rigel Wide April 7, 2023 · Copyrighted

Rigel Wide

Image Credit & Copyright: Rheinhold Wittich
A spiral galaxy is shown with spiral arms dominated by blue stars and with a bright central swirl that itself looks like a spiral galaxy. Please see the explanation for more detailed information. April 8, 2023

M100: A Grand Design Spiral Galaxy

Image Credit: NASA , ESA , Hubble ; Processing: Judy Schmidt
The Egg Nebula in Polarized Light April 9, 2023

The Egg Nebula in Polarized Light

Image Credit: Hubble Heritage Team ( STScI / AURA ), W. Sparks ( STScI ) & R. Sahai ( JPL ), NASA
A bright gaseous nebula is pictured in front of a star field. To some, the outline of the nebula make it look like a running chicken. Dark knots of dust are seen near the bright nebula's center. Please see the explanation for more detailed April 10, 2023 · Copyrighted

IC 2944: The Running Chicken Nebula

Image Credit & Copyright: Daniel Stern
A bright star is seen in field of dimmer stars and pervasive light-brown dust. The star is the North Star: Polaris. Please see the explanation for more detailed information. April 11, 2023 · Copyrighted

North Star: Polaris and Surrounding Dust

Image Credit & Copyright: Javier Zayaz
NGC 206 and the Star Clouds of Andromeda April 12, 2023 · Copyrighted

NGC 206 and the Star Clouds of Andromeda

Image Credit & Copyright: Howard Trottier
NGC 2419: Intergalactic Wanderer April 13, 2023

NGC 2419: Intergalactic Wanderer

Image Credit: ESA/Hubble , NASA , S. Larsen et al.
Portrait of NGC 3628 April 14, 2023 · Copyrighted

Portrait of NGC 3628

Image Credit & Copyright: Mike Selby & Mark Hanson
When Z is for Mars April 15, 2023 · Copyrighted

When Z is for Mars

Image Credit & Copyright: Tunc Tezel ( TWAN )
An elongated colorful nebula is shown elongated horizontally and pinched in the middle. In the very center is a bright source. Please see the explanation for more detailed information. April 16, 2023

M2-9: Wings of a Butterfly Nebula

Image Credit: Hubble Legacy Archive , NASA , ESA ; Processing: Judy Schm i dt
A large red ring is seen high above a landscape that has sparse clouds and a foreground building. Please see the explanation for more detailed information. April 17, 2023 · Copyrighted

ELVES Lightning over Italy

Image Credit & Copyright: Valter Binotto
A map of the USA is shown with the path of the greatest darkness of two solar eclipses shown in dark colors. Please see the explanation for more detailed information. April 18, 2023

Map of Total Solar Eclipse Path in 2024 April

Image Credit: NASA , Science Visualization Studio
Two people dressed in red coats are standing on a snowy landscape with bare trees. Above, many aurorae of different colors appear, with some stars visible in the background. Please see the explanation for more detailed information. April 19, 2023 · Copyrighted

Auroral Storm over Lapland

Image Credit & Copyright: Juan Carlos Casado ( Starry Earth , TWAN )
The Dark Seahorse in Cepheus April 20, 2023 · Copyrighted

The Dark Seahorse in Cepheus

Image Credit & Copyright: Jeff Herman
Solar Eclipse from Western Australia April 21, 2023 · Copyrighted

Solar Eclipse from Western Australia

Image Credit & Copyright: Gwenaël Blanck
NGC 1333: Stellar Nursery in Perseus April 22, 2023

NGC 1333: Stellar Nursery in Perseus

Image Credit: Science – NASA , ESA , STScI , Processing – Varun Bajaj (STScI), Joseph DePasquale (STScI), Jennifer Mack (STScI)
A thin gray funnel cloud is pictured connecting water at the bottom to a cloud near the top. Please see the explanation for more detailed information. April 23, 2023 · Copyrighted

A Waterspout in Florida

Image Credit & Copyright: Joey Mole
A nearly spherical but stringy nebula is shown against a starry background. The nebula is colored blue and red. Please see the explanation for more detailed information. April 24, 2023 · Copyrighted

The Medulla Nebula Supernova Remnant

Image Credit & Copyright: Kimberly Sibbald
A dark rectangular building is seen across a green field with colorful aurora, mostly red, seen in the background sky. Past the aurora, the sky is also filled with stars. Please see the explanation for more detailed information. April 25, 2023 · Copyrighted

Northern Lights over Southern Europe

Image Credit & Copyright: Lorenzo Cordero
A nearly full Moon is seen through the famous Arc de Triomphi with trees and cars lining the foreground. Please see the explanation for more detailed information. April 26, 2023 · Copyrighted

The Moon through the Arc de Triomphe

Image Credit & Copyright: Stefano Zanarello
The Tarantula Nebula from SuperBIT April 27, 2023

The Tarantula Nebula from SuperBIT

Image Credit: SuperBIT , NASA
Runaway Star Alpha Camelopardalis April 28, 2023

Runaway Star Alpha Camelopardalis

Image Credit: André Vilhena
Solar Eclipse from a Ship April 29, 2023

Solar Eclipse from a Ship

Image Credit: Fred Espenak
An oblong moon is shown in very muted colors, appearing almost gray. The background is deep space and completely dark at this short exposure time. Please see the explanation for more detailed information. April 30, 2023

Saturn's Moon Helene in Color

Image Credit: NASA , JPL-Caltech , SSI ; Processing: Daniel Macháček

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