Astronomy Picture of the Day · Topic

Star clusters

784 entries from June 20, 1995 to September 25, 2026. Entries that mention star clusters, globular clusters or the Pleiades.

How entries are matched: the topic word appears in the title, or at least twice in the explanation. This is an automatic word match, so a few entries may only mention the topic in passing.

Most recent

September 25, 2026

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2026 (16)

Sep 25 Globular Cluster Omega Centauri
Sep 11 M83: The Southern Pinwheel
Aug 20 The Elephant's Trunk in Cepheus
Aug 8 A Messier Moment for Tempel 2
Jul 11 Messier 24: Sagittarius Star Cloud
May 23 Messier 2
May 14 Messier Catalog at Uniform Scale
May 13 NGC 188: Old Cluster in the New General Catalog
May 9 Messier Craters in Stereo
Apr 29 The Moon, Venus, and the Pleiades
Apr 24 Young Moon and Sister Stars
Apr 13 NGC 602 and Beyond
Mar 29 A Message from Earth
Mar 2 The Dusty Surroundings of Orion and the Pleiades
Feb 23 Pleiades: The Seven Sisters Star Cluster
Feb 19 IC 2574: Coddington's Nebula

2025 (25)

Dec 28 NGC 1898: Globular Cluster in the Large Magellanic Cloud
Nov 26 Globular Cluster M15 Deep Field
Nov 1 Pleiades from Planet Earth
Sep 23 NGC 6357: Cathedral to Massive Stars
Sep 17 Nebulas and Clusters in Sagittarius
Sep 5 47 Tucanae: Globular Star Cluster
Aug 25 The Meteor and the Star Cluster
Aug 14 M13: The Great Globular Cluster in Hercules
Aug 7 The Double Cluster in Perseus
Jul 26 Globular Cluster Omega Centauri
Jul 19 Messier 6
Jul 8 The Pleiades in Red and Blue
Jul 4 NGC 6946 and NGC 6939
Jun 27 Messier 109
May 29 Irregular Dwarf Galaxy Sextans A
May 23 NGC 6366 vs 47 Ophiuchi
May 2 Young Star Cluster NGC 346
Apr 28 Gum 37 and the Southern Tadpoles
Apr 8 Moon Visits Sister Stars
Mar 5 Seven Sisters versus California
Feb 27 Open Star Clusters M35 and NGC 2158
Feb 25 M41: The Little Beehive Star Cluster
Feb 6 IC 2574: Coddington's Nebula
Jan 27 Pleiades over Half Dome
Jan 16 M83: The Southern Pinwheel

2024 (30)

Dec 19 Messier 2
Dec 9 Pleiades: The Seven Sisters Star Cluster
Dec 2 NGC 300: A Galaxy of Stars
Nov 29 Messier 4
Nov 21 The Elephant's Trunk in Cepheus
Oct 29 NGC 602: Stars Versus Pillars from Webb
Oct 25 Globular Star Cluster NGC 6752
Sep 29 Seven Dusty Sisters
Sep 26 The Great Globular Cluster in Hercules
Sep 17 Melotte 15 in the Heart Nebula
Sep 12 Young Star Cluster NGC 1333
Sep 3 Quarter Moon and Sister Stars
Aug 15 Late Night Vallentuna
Aug 2 Mars Passing By
Jul 18 Messier 24: Sagittarius Star Cloud
Jul 15 The Tadpole Galaxy from Hubble
Jul 11 Globular Cluster Omega Centauri
Jul 6 NGC 7789: Caroline's Rose
Jul 2 NGC 602: Oyster Star Cluster
Jun 25 The Dark Doodad Nebula
May 14 The 37 Cluster
Mar 28 Millions of Stars in Omega Centauri
Feb 25 A Phoenix Aurora over Iceland
Feb 20 AM1054: Stars Form as Galaxies Collide
Feb 8 Globular Star Cluster 47 Tuc
Jan 31 Camera Orion Rising
Jan 29 The Pleiades: Seven Dusty Sisters
Jan 23 Deep Nebulas: From Seagull to California
Jan 15 Star Cluster IC 348 from Webb
Jan 5 Trapezium: At the Heart of Orion

2023 (27)

Dec 28 Jupiter and the Geminid
Dec 27 Rainbow Aurora over Icelandic Waterfall
Dec 9 Pic du Pleiades
Nov 25 Little Planet Aurora
Oct 26 Orionids in Taurus
Sep 1 The Great Globular Cluster in Hercules
Aug 28 Star Formation in the Pacman Nebula
Jul 7 The Double Cluster in Perseus
Jun 28 Messier 24: Sagittarius Star Cloud
Jun 15 M15: Dense Globular Star Cluster
Jun 10 Mars and the Beehive
Jun 8 Elephant's Trunk and Caravan
May 1 Carina Nebula North
Apr 15 When Z is for Mars
Apr 13 NGC 2419: Intergalactic Wanderer
Mar 25 Venus and the Da Vinci Glow
Mar 21 Dark Nebulae and Star Formation in Taurus
Mar 16 Millions of Stars in Omega Centauri
Feb 27 Zodiacal Ray with Venus and Jupiter
Feb 20 NGC 1850: Not Found in the Milky Way
Feb 19 Seven Dusty Sisters in Infrared
Feb 15 Airglow Sky over France
Jan 30 Globular Star Cluster NGC 6355 from Hubble
Jan 13 Young Star Cluster NGC 346
Jan 12 Stardust in Perseus
Jan 5 Messier 45: The Daughters of Atlas and Pleione
Jan 2 After Sunset Planet Parade

2022 (25)

Dec 30 Mars and the Star Clusters
Dec 28 Messier 88
Dec 5 Pleiades: The Seven Sisters Star Cluster
Nov 25 NGC 6744: Extragalactic Close-Up
Nov 22 A Double Star Cluster in Perseus
Nov 12 Eclipse in the City
Sep 7 Tarantula Stars R136 from Webb
Sep 5 Carina Cliffs from the Webb Space Telescope
Aug 12 Portrait of the Eagle Nebula
Aug 4 M13: The Great Globular Cluster in Hercules
Jul 21 Messier 10 and Comet
Jul 19 Pleiades over Half Dome
Jun 30 Comet C/2017 K2 (PanSTARRS)
May 17 NGC 1316: After Galaxies Collide
May 12 Young Stars of NGC 346
May 6 NGC 3572 and the Southern Tadpoles
May 3 Mercury's Sodium Tail
Apr 30 M44: The Beehive Cluster
Apr 7 Messier 24: Sagittarius Star Cloud
Apr 5 Seven Sisters versus California
Mar 12 Point Reyes Milky Way
Mar 10 Globular Star Cluster 47 Tuc
Feb 18 Three Clusters in Puppis
Feb 14 In the Heart of the Heart Nebula
Jan 31 Carina Nebula North

2021 (26)

Dec 12 Comet Leonard Before Star Cluster M3
Dec 4 Iridescent by Moonlight
Dec 2 NGC 6822: Barnard's Galaxy
Nov 26 Great Refractor and Lunar Eclipse
Nov 24 Pleiades: The Seven Sisters Star Cluster
Nov 20 An Almost Total Lunar Eclipse
Oct 19 Palomar 6: Globular Star Cluster
Oct 8 The Double Cluster in Perseus
Oct 7 NGC 6559: East of the Lagoon
Sep 25 The Bubble and the Star Cluster
Sep 9 M16 Close Up
Aug 27 Elephant's Trunk and Caravan
Jun 21 The Tadpole Galaxy from Hubble
Jun 3 Millions of Stars in Omega Centauri
May 20 M13: The Great Globular Cluster in Hercules
May 16 NGC 602 and Beyond
May 10 Star Clusters M35 and NGC 2158
Apr 6 Mars and the Pleiades Beyond Vinegar Hill
Mar 11 Zodiacal Light and Mars
Mar 4 Mars in Taurus
Feb 21 NGC 2244: A Star Cluster in the Rosette Nebula
Feb 12 Spiral Galaxy NGC 1350
Feb 7 Blue Straggler Stars in Globular Cluster M53
Jan 12 A Historic Brazilian Constellation
Jan 10 Star Cluster R136 Breaks Out
Jan 3 A Phoenix Aurora over Iceland

2020 (25)

Dec 11 Messier Craters in Stereo
Nov 28 NGC 6822: Barnard's Galaxy
Nov 18 A Double Star Cluster in Perseus
Oct 24 Globular Star Cluster 47 Tuc
Oct 13 Mars, Pleiades, and Andromeda over Stone Lions
Sep 9 Pleiades: The Seven Sisters Star Cluster
Sep 8 GW190521: Unexpected Black Holes Collide
Sep 4 The Wizard Nebula
Aug 30 NGC 6357: Cathedral to Massive Stars
Aug 6 Messier 20 and 21
Aug 4 NGC 2442: Galaxy in Volans
Aug 1 The Elephant's Trunk Nebula in Cepheus
May 3 A Message from Earth
Apr 15 A Cosmic Triangle
Apr 11 Venus and the Pleiades in April
Apr 4 Venus and the Sisters
Apr 3 The Traffic in Taurus
Apr 2 Venus and the Pleiades in April
Mar 23 From the Pleiades to the Eridanus Loop
Mar 19 M13: The Great Globular Cluster in Hercules
Mar 7 Pic du Midi Panorama
Jan 30 Two Clusters and a Comet
Jan 23 Globular Star Cluster NGC 6752
Jan 22 The Hyades Star Cluster
Jan 11 NGC 602 and Beyond

2019 (27)

Dec 30 Messier 20 and 21
Dec 26 The Northern Winter Hexagon
Dec 6 Pleiades to Hyades
Nov 15 M16 and the Eagle Nebula
Nov 8 NGC 3572 and the Southern Tadpoles
Nov 7 Messier 45: The Daughters of Atlas and Pleione
Oct 13 A Stellar Jewel Box: Open Cluster NGC 290
Sep 11 IC 1805: The Heart Nebula
Sep 1 M45: The Pleiades Star Cluster
Aug 30 NGC 7129 and NGC 7142
Aug 24 Millions of Stars in Omega Centauri
Aug 16 The Elephant's Trunk Nebula in Cepheus
Aug 10 M16 Close Up
Jun 29 M83: The Thousand-Ruby Galaxy
Jun 13 The Colors and Magnitudes of M13
Jun 11 The Cave Nebula in Infrared from Spitzer
May 28 Stars, Dust, and Gas near NGC 3572
May 14 Young Star Cluster Trumpler 14 from Hubble
May 9 Messier 5
Apr 4 Messier 2
Mar 28 The Gaia Stars of M15
Mar 24 Zooming in on Star Cluster Terzan 5 Video
Mar 16 NGC 3324 in Carina
Mar 1 A Charioteer's Comet
Feb 1 Twin Galaxies in Virgo
Jan 17 Cabin under the Stars
Jan 7 Stars, Meteors, and a Comet in Taurus

2018 (23)

Dec 20 Red Nebula, Green Comet, Blue Stars
Dec 15 Geminids and Friends
Dec 11 Arp 188 and the Tadpole's Tail
Dec 7 December's Comet Wirtanen
Nov 22 Portrait of NGC 281
Nov 12 The Lagoon Nebula is Stars, Gas, and Dust
Oct 19 Summer to Winter Milky Way
Oct 17 M15: Dense Globular Star Cluster
Oct 3 NGC 1898: Globular Cluster in the Large Magellanic Cloud
Sep 13 Comet, Clusters and Nebulae
Aug 24 Messier 20 and 21
Aug 5 Trapezium: At the Heart of Orion
Jun 29 Messier 24: Sagittarius Star Cloud
Jun 26 Dark Nebulas across Taurus
May 31 NGC 6744 Close Up
May 28 Seven Dusty Sisters
Apr 12 M22 and the Wanderers
Apr 6 NGC 3324 in Carina
Mar 24 NGC 602 and Beyond
Feb 16 Comet PanSTARRS is near the Edge
Feb 14 In the Heart of the Heart Nebula
Feb 12 Blue Comet Meets Blue Stars
Jan 16 An Elephant's Trunk in Cepheus

2017 (28)

Dec 9 Stardust in Aries
Dec 2 Messier Craters in Stereo
Nov 15 NGC 7789: Caroline's Rose
Nov 14 The Pleiades Deep and Dusty
Nov 4 Hubble's Messier 5
Oct 11 Star Cluster NGC 362 from Hubble
Oct 2 Two Comets and a Star Cluster
Sep 30 Portrait of NGC 281
Sep 23 A Conjunction of Comets
Aug 17 NGC 2442: Galaxy in Volans
Jul 14 NGC 4449: Close-up of a Small Galaxy
Jul 11 Star Cluster Omega Centauri in HDR
Jul 4 Celestial Fireworks: Into Star Cluster Westerlund 2 Video
Jun 28 Composite Messier 20 and 21
Jun 20 The Massive Stars in Westerlund 1
Jun 4 Orion: Belt, Flame, and Horsehead
May 30 A Kalahari Sky
May 25 Star Cluster, Spiral Galaxy, Supernova
May 22 A Zodiacal Sky over Horseshoe Bend
May 12 M13: The Great Globular Cluster in Hercules
Apr 2 NGC 602 and Beyond
Mar 14 A Dark Winter Sky over Monfrage National Park in Spain
Mar 12 At the Heart of Orion
Mar 6 Colorful Aurora over Iceland
Feb 24 NGC 3621: Far Beyond the Local Group
Feb 10 Melotte 15 in the Heart
Jan 23 Winter Hexagon over Manla Reservoir
Jan 19 The Elephant's Trunk Nebula in Cepheus

2016 (18)

Dec 26 NGC 6357: Stellar Wonderland
Dec 23 Once Upon a Solstice Eve
Nov 6 Starburst Cluster in NGC 3603
Nov 4 Portrait of NGC 281
Oct 19 M45: The Pleiades Star Cluster
Oct 6 Trifid, Lagoon, and Mars
Sep 21 Zooming in on Star Cluster Terzan 5 Video
Aug 18 Perseid Night at Yosemite
Jul 27 M13: A Great Globular Cluster of Stars
Jul 13 M7: Open Star Cluster in Scorpius
Apr 27 Omega Centauri: The Brightest Globular Star Cluster
Apr 11 The Comet and the Star Cluster
Mar 27 NGC 6357: Cathedral to Massive Stars
Mar 18 The W in Cassiopeia
Mar 16 A Phoenix Aurora over Iceland
Mar 14 Dark Nebulas across Taurus
Jan 24 Star Cluster R136 Bursts Out
Jan 5 The Lagoon Nebula in Hydrogen, Sulfur, and Oxygen

2015 (25)

Dec 1 Nebulae in Auriga
Nov 3 Seeking Venus under the Spitzkoppe Arch
Oct 27 Bright from the Heart Nebula
Oct 15 M16 and the Eagle Nebula
Oct 13 The Elephant's Trunk in IC 1396
Oct 10 Stardust in Perseus
Oct 8 M83: The Thousand-Ruby Galaxy
Sep 9 NGC 1316: After Galaxies Collide
Aug 26 Collinder 399: The Coat Hanger
Jun 20 Hubble's Messier 5
Jun 17 M45: The Pleiades Star Cluster
Jun 4 NGC 2419: Intergalactic Wanderer
May 30 Messier Craters in Stereo
May 19 Globular Star Cluster 47 Tuc
Apr 17 M46 Plus Two
Apr 16 One-Armed Spiral Galaxy NGC 4725
Apr 11 Venus in the West
Apr 6 NGC 3293: A Bright Young Star Cluster
Mar 7 NGC 602 in the Flying Lizard Nebula
Feb 19 Palomar 12
Jan 29 Close Encounter with M44
Jan 28 Comet Lovejoy in a Winter Sky
Jan 22 Launch to Lovejoy
Jan 18 The Galactic Core in Infrared
Jan 2 At the Heart of Orion

2014 (29)

Dec 31 Comet Lovejoy before a Globular Star Cluster
Dec 10 The Reddening of M71
Nov 28 Portrait of NGC 281
Nov 18 Star Formation in the Tadpole Nebula
Nov 11 Orion in Gas, Dust, and Stars
Oct 31 Milky Way over Devils Tower
Oct 18 Melotte 15 in the Heart
Oct 17 Messier 6 and Comet Siding Spring
Oct 8 NGC 6823: Cloud Sculpting Star Cluster
Sep 24 The Lagoon Nebula in Stars Dust and Gas
Sep 11 Zodiacal Light before Dawn
Sep 5 A Sagittarius Starscape
Sep 3 M6: The Butterfly Cluster
Aug 29 The Wizard Nebula
Aug 28 Messier 20 and 21
Aug 25 Arp 188 and the Tadpole's Tail
Jul 13 Planetary Nebula NGC 2818 from Hubble
Jun 8 Open Cluster NGC 290: A Stellar Jewel Box
Jun 7 M16 and the Eagle Nebula
May 29 Millions of Stars in Omega Centauri
Apr 28 Time Lapse of a Total Lunar Eclipse Video
Apr 25 Hubble's Messier 5
Mar 11 In the Heart of the Rosette Nebula
Feb 25 The Pleiades Deep and Dusty
Feb 22 M44: The Beehive Cluster
Feb 13 Downtown Auriga
Jan 23 Double Cluster in Perseus
Jan 14 The Gegenschein Over Chile
Jan 7 M7: Open Star Cluster in Scorpius

2013 (20)

Dec 27 Melotte 15 in the Heart
Nov 22 From California to the Pleiades
Nov 19 Globular Cluster M15 from Hubble
Oct 26 NGC 7789: Caroline's Rose
Oct 8 The Bubble and M52
Sep 18 M45: The Pleiades Star Cluster
Jul 26 The Elephant's Trunk in IC 1396
Jul 20 Comet Lemmon and the Deep Sky
Jul 15 The Sombrero Galaxy from Hale
Jul 12 Messier's Eleven
Jul 5 Globular Star Cluster NGC 6752
Jun 8 Messier Craters in Stereo
May 30 One-Armed Spiral Galaxy NGC 4725
May 23 Messier 109
May 1 Omega Centauri: The Brightest Globular Cluster
Feb 12 Reflected Aurora Over Alaska
Feb 8 NGC 6822: Barnard's Galaxy
Jan 13 NGC 602 and Beyond
Jan 3 Open Star Clusters M35 and NGC 2158
Jan 1 A Double Star Cluster

2012 (36)

Dec 24 Hyades for the Holidays
Dec 6 47 Tuc Near the Small Magellanic Cloud
Dec 2 The Gegenschein Over Chile
Nov 27 Bright Jupiter in Taurus
Nov 18 NGC 6357: Cathedral to Massive Stars
Nov 9 Melotte 15 in the Heart
Nov 8 Arp 188 and the Tadpole's Tail
Oct 20 Zodiacal Light and Milky Way
Oct 6 At the Heart of Orion
Sep 12 M7: Open Star Cluster in Scorpius
Sep 3 M45: The Pleiades Star Cluster
Aug 19 M72: A Globular Cluster of Stars
Aug 3 Messier 5
Jul 29 Star Cluster R136 Bursts Out
Jul 28 Trails in the Morning Sky
Jul 19 Dawn of the Dish
Jul 11 A Morning Line of Stars and Planets
Jun 30 Conjunctions near Dawn
Jun 22 IC 2574: Coddington's Nebula
Jun 14 M13: The Great Globular Cluster in Hercules
May 17 Herschel's Cygnus X
Apr 12 Yuri's Planet
Apr 9 Blue Straggler Stars in Globular Cluster M53
Apr 6 Venus and the Sisters
Apr 3 M46 & M47: Star Clusters Young and Old
Mar 30 The Grand Canyon in Moonlight
Mar 23 Messier 9 Close-up
Mar 16 Bright Planets at McMath-Pierce Solar Telescope
Feb 24 Aurigae Nebulae
Feb 19 A Message From Earth
Feb 15 Merope's Reflection Nebula
Feb 12 Orion in Gas, Dust, and Stars
Feb 11 A February Moon's Halo
Feb 10 At the Core of NGC 6752
Feb 4 Comet Garradd and M92
Jan 28 Planet Aurora Borealis

2011 (21)

Nov 29 Across the Center of Centaurus A
Nov 17 Pleiades to Hyades
Sep 30 Cloudy Night of the Northern Lights
Sep 21 Pleiades Deep Field
Sep 14 The Bubble and M52
Sep 6 M6: The Butterfly Cluster
Sep 3 Comet Garradd Passes Ten Thousand Stars
Aug 25 Portrait of NGC 281
Aug 13 Castle and Meteor by Moonlight
Aug 6 Comet Garradd and Messier 15
Jul 15 NGC 3314: When Galaxies Overlap
Jun 15 Millions of Stars in Omega Centauri
May 17 A Starry Night of Iceland
May 15 The Sombrero Galaxy from Hubble
May 3 Globular Cluster M15 from Hubble
Apr 7 Planetary Nebula NGC 2438
Apr 5 The Milky Way Over Tenerife
Mar 30 NGC 5584: Expanding the Universe
Feb 25 NGC 4449: Close-up of a Small Galaxy
Jan 16 Globular Star Cluster 47 Tuc
Jan 3 Winter Hexagon Over Stagecoach Colorado

2010 (35)

Dec 2 Hartley 2 Star Cluster Tour
Nov 18 Sisters of the Dusty Sky
Nov 17 Frosted Leaf Orion
Nov 7 The Center of Centaurus A
Nov 6 The Elephant's Trunk in IC 1396
Nov 1 The Milky Way Over the Peak of the Furnace
Oct 26 Comet Hartley Passes a Double Star Cluster
Oct 14 Clusters, Hartley, and the Heart
Oct 9 Globular Star Cluster NGC 6934
Sep 26 Arp 188 and the Tadpole's Tidal Tail
Sep 25 Melotte 15 in the Heart
Sep 17 Northern Lights over Prelude Lake
Sep 9 Cepheus: Trunk to Bubble
Aug 31 The Annotated Galactic Center
Aug 21 Perseid Storm
Aug 17 NGC 4755: A Jewel Box of Stars
Jul 23 Messier 76
Jul 8 Dim World, Dark Nebula
Jun 26 Young Star Cluster Westerlund 2
May 27 M13: The Great Globular Cluster in Hercules
May 12 M72: A Globular Cluster of Stars
Apr 29 Virgo Cluster Galaxy NGC 4731
Apr 3 NGC 602 and Beyond
Mar 31 Millions of Stars in Omega Centauri
Mar 29 Moonset Over Pleasant Bay
Mar 26 Young Moon and Sister Stars
Mar 25 NGC 2442: Galaxy in Volans
Mar 20 Zodiacal Light Vs. Milky Way
Mar 5 Deep Auriga
Feb 26 Chasing Carina
Feb 14 Field of Rosette
Feb 11 Star Cluster M34
Jan 30 Messier 88
Jan 13 The Spider and The Fly
Jan 1 Not a Blue Moon

2009 (30)

Dec 21 Star Cluster R136 Bursts Out
Dec 11 Messier Craters in Stereo
Dec 5 Himalayan Skyscape
Dec 4 The Double Cluster
Nov 8 M7: Open Star Cluster in Scorpius
Nov 3 Seven Sisters Versus California
Oct 30 The Bubble and M52
Oct 18 The Star Pillars of Sharpless 171
Oct 14 Pleiades and Stardust
Oct 6 The Lagoon Nebula from GigaGalaxy Zoom
Sep 29 Orion in Gas, Dust, and Stars
Sep 22 Aurora Over Yellowknife
Sep 19 NGC 3621: Far Beyond the Local Group
Sep 14 The Center of Globular Cluster Omega Centauri
Aug 31 Open Cluster M25
Aug 7 The Star Clusters of NGC 1313
Jun 17 M13: A Great Globular Cluster of Stars
Jun 6 One-Armed Spiral Galaxy NGC 4725
Apr 30 Framed by Clouds
Apr 22 Sky Panorama Over Lake Salda
Apr 12 M39: Open Cluster in Cygnus
Apr 11 The Big Picture
Mar 26 Stars Young and Old
Mar 1 Omega Centauri: The Largest Nearby Globular Cluster
Feb 12 Zodiacal Light Vs. Milky Way
Jan 23 Globular Cluster NGC 2419
Jan 22 Planetary Nebula NGC 2818
Jan 17 IC 410 and NGC 1893
Jan 7 The Galactic Core in Infrared
Jan 3 Double Cluster in Perseus

2008 (26)

Dec 29 NGC 1569: Starburst in a Dwarf Irregular Galaxy
Dec 26 The Elephant's Trunk in IC 1396
Dec 23 Collinder 399: The Coat Hanger
Dec 10 Portrait of NGC 281
Dec 9 M45: The Pleiades Star Cluster
Dec 8 The Dark Doodad Nebula
Dec 1 Massive Stars Resolved in the Carina Nebula
Nov 29 Chilean Skyscape
Nov 21 M76 Above and Below
Oct 26 Massive Stars in Open Cluster Pismis 24
Oct 25 NGC 602 and Beyond
Sep 28 Young Stars of NGC 346
Sep 27 M83: The Thousand-Ruby Galaxy
Sep 6 A Flock of Stars
Sep 2 NGC 1316: After Galaxies Collide
Aug 26 47 Tuc: A Great Globular Cluster of Stars
Aug 6 NGC 1818: A Young Globular Cluster
Aug 3 Open Cluster NGC 290: A Stellar Jewel Box
Jul 26 Central IC 1805
Jul 19 M16 and the Eagle Nebula
Jul 2 Night Shinings
May 7 The Gegenschein Over Chile
May 1 The Giants of Omega Centauri
Apr 2 Globular Cluster M55 from CFHT
Jan 31 Young Star Cluster Westerlund 2
Jan 19 Starry Night Castle

2007 (31)

Dec 21 Horizon to Horizon
Dec 7 Double Cluster in Perseus
Nov 22 Pleiades and Stardust
Nov 18 M45: The Pleiades Star Cluster
Nov 15 M13: The Great Globular Cluster in Hercules
Nov 9 Skyscape with Comet Holmes
Oct 25 Apogee Moon, Perigee Moon
Oct 18 The Elephant's Trunk in IC 1396
Oct 9 Aurora, Stars, Meteor, Lake, Alaska
Oct 5 Starburst Cluster in NGC 3603
Sep 13 NGC 7129 and NGC 7142
Aug 16 Moonless Perseid Sky
Aug 15 Mysterious Streaks Over Turkey
Aug 9 Star Cluster Messier 67
Jul 29 The Center of Centaurus A
Jul 10 NGC 4449: Close-Up of a Small Galaxy
Jun 30 Jumbled Galaxy Centaurus A
Jun 11 The Merope Reflection Nebula
Jun 9 Globular Star Cluster M3
May 18 M13: The Great Globular Cluster in Hercules
May 9 The Snowflake Cluster versus the Cone Nebula
May 6 Star Cluster R136 Bursts Out
May 3 Small Galaxy NGC 4449
Apr 28 Young Moon and Sister Stars
Apr 19 NGC 5139: Omega Centauri
Apr 15 M3: Inconstant Star Cluster
Apr 14 Venus by the Lake
Apr 13 Seven Dusty Sisters
Jan 26 The Star Clusters of NGC 1313
Jan 12 Collinder 399: The Coat Hanger
Jan 10 NGC 602 and Beyond

2006 (23)

Dec 20 Star Forming Region NGC 6357
Dec 19 Massive Stars in Open Cluster Pismis 24
Nov 2 Messier 76
Oct 27 The Spider and The Fly
Oct 21 Tombaugh 4
Sep 22 Central IC 1805
Sep 10 Star Clusters Young and Old
Aug 15 IC 410 and NGC 1893
Aug 10 Galactic Center Star Clusters
Jul 20 Constellation Construction
Jul 15 Reflecting Merope
Jul 5 Spiral Galaxy NGC 2403 from Subaru
Jun 29 Old Moon and Sister Stars
Jun 1 Reflections on NGC 6188
May 26 Omega Centauri
May 1 Open Cluster NGC 290: A Stellar Jewel Box
Apr 22 Z is for Mars
Apr 19 Mars and the Star Clusters
Apr 13 Star Cluster Dreams
Mar 12 Globular Cluster M3 from WIYN
Jan 28 Saturn in the Hive
Jan 9 M45: The Pleiades Star Cluster
Jan 8 Arp 188 and the Tadpole's Tidal Tail

2005 (25)

Dec 11 R136: The Massive Stars of 30 Doradus
Nov 18 The 37 Cluster
Nov 17 Young Stars of NGC 346
Oct 11 NGC 869 & NGC 884: A Double Open Cluster
Oct 6 Spiral Galaxy NGC 1350
Sep 27 The Star Pillars of Sharpless 171
Sep 16 Northern Lights, September Skies
Sep 5 Globular Cluster 47 Tucanae from SALT
Sep 2 X-Ray Portrait of Trumpler 14
Aug 23 NGC 281: The Pacman Nebula
Aug 4 Stars Young and Old
Jul 21 X-Ray Stars of 47 Tuc
Jul 17 The Center of Centaurus A
Jun 27 Globular Cluster M22 from CFHT
May 7 NGC 3314: When Galaxies Overlap
Apr 14 April's Moon and the Pleiades
Apr 6 The M7 Open Star Cluster in Scorpius
Apr 4 NGC 1316: After Galaxies Collide
Mar 19 NGC 2266: Old Cluster in the New General Catalog
Mar 13 A Message From Earth
Mar 4 NGC 1427A: Galaxy in Motion
Jan 11 Machholz Meets the Pleiades
Jan 8 X-Ray Mystery in RCW 38
Jan 5 Comet Machholz in View
Jan 3 The Pleiades Star Cluster

2004 (21)

Dec 4 Reflecting Merope
Oct 20 NGC 281: Cluster, Clouds, and Globules
Oct 16 The Bubbling Cauldron of NGC 3079
Oct 14 Glimpse of a Globular Star Cluster
Oct 12 M3: Inconstant Star Cluster
Oct 4 NGC 6823: Cloud Sculpting Star Cluster
Sep 24 Fornax Cluster in Motion
Sep 18 M55: Globular Star Cluster
Sep 16 Microquasar in Motion
Aug 13 Perseid Fireball Over Japan
Jun 17 Comet NEAT and the Beehive Cluster
Jun 16 Elliptical Galaxy M87
May 15 Arp 188 and the Tadpole's Tidal Tail
May 11 M13: The Great Globular Cluster in Hercules
Apr 15 Venus and the Pleiades
Apr 2 Mercury and Venus in the West
Mar 31 M39: Open Cluster in Cygnus
Mar 26 Moon and Planets Sky
Feb 22 The M7 Open Star Cluster in Scorpius
Feb 5 NGC 1569: Starburst in a Small Galaxy
Feb 2 The Tarantula Nebula from Spitzer

2003 (20)

Dec 27 The Pleiades Star Cluster
Dec 15 Open Star Clusters M35 and NGC 2158
Dec 13 A Flock of Stars
Dec 2 NGC 869 & NGC 884: A Double Open Cluster
Sep 15 Globular Cluster M3
Sep 8 Stars and Dust of the Lagoon Nebula
Aug 8 Blue Stragglers in NGC 6397
Jul 19 NGC 3621: Far Beyond the Local Group
Jul 18 The Planet, the White Dwarf, and the Neutron Star
May 3 Denizen of the Tarantula Nebula
Apr 29 In the Center of the Rosette Nebula
Apr 19 Spiral Galaxy In Centaurus
Apr 11 London at Night
Apr 7 NGC 281: Cluster, Clouds, and Globules
Apr 4 Clusters and Nebulae of the Hexagon
Apr 3 Jupiter in the Hive
Feb 14 The Heart in NGC 346
Jan 25 Palomar 13's Last Stand
Jan 22 M11: The Wild Duck Cluster
Jan 7 Open Star Cluster M38

2002 (25)

Dec 29 NGC 1818: A Young Globular Cluster
Dec 27 X-Ray Mystery in RCW 38
Dec 1 The Pleiades Star Cluster
Nov 29 Open Star Clusters M35 and NGC 2158
Oct 17 Centaurus A: Young Blue Star Stream
Oct 6 The Lagoon Nebula in Three Colors
Aug 21 Spiral Galaxy NGC 300
Aug 14 Giant Emission Nebula NGC 3603 in Infrared
Jul 30 A Star Cluster in Motion
Jul 22 Open Cluster NGC 6520 from CFHT
Jul 17 Star-Forming Region RCW38 from 2MASS
Jul 4 Young Star Clusters in an Old Galaxy
Jun 17 NGC 4697: X-Rays from an Elliptical Galaxy
Jun 5 NGC 3621: Far Beyond the Local Group
Jun 1 NGC 2266: Old Cluster in the New General Catalog
May 5 The M7 Open Star Cluster in Scorpius
May 2 Arp 188 and the Tadpole's Tidal Tail
Apr 29 Dusk of the Planets
Apr 21 The Center of Centaurus A
Apr 18 Planets in the West
Apr 16 Millions of Stars in Omega Centauri
Apr 11 Antennae Galaxies in Near-Infrared
Mar 17 NGC 2244: A Star Cluster in the Rosette Nebula
Feb 20 Oddities of Star Cluster NGC 6397
Jan 18 Saturn and Vesta in Taurus

2001 (31)

Dec 29 The Annotated Galactic Center
Dec 20 Jupiter and Saturn Pas de Deux
Dec 18 Sharpless 212 in Hydrogen and Sulfur
Dec 10 Globular Cluster M15
Nov 20 A Leonids Star Field
Oct 10 The Center of Globular Cluster Omega Centauri
Oct 5 A Flock of Stars
Sep 20 X-Ray Stars in M15
Sep 17 Southwest Andromeda
Sep 9 NGC 3293: A Bright Young Open Cluster
Aug 22 The Bubbling Cauldron of NGC 3079
Aug 20 The Lagoon Nebula in Three Colors
Aug 7 A July Dawn
Jul 30 Star Cluster R136 Bursts Out
Jul 20 The Elephant's Trunk in IC 1396
Jul 12 NGC 1850: Not Found in the Milky Way
Jul 3 Unusual Flashes Toward Globular Cluster M22
Jun 18 NGC 4755: A Jewel Box of Stars
Jun 14 Around The Arches Cluster
Jun 11 Globular Cluster M2
May 24 X-Ray Stars of 47 Tucanae
May 10 Spirals On Edge
May 6 The Pleiades Star Cluster
Apr 22 Globular Cluster 47 Tucanae
Mar 22 Jupiter, Saturn and Messier 45
Mar 21 Barred Spiral Galaxy NGC 2903
Mar 11 NGC 1818: A Young Globular Cluster
Feb 23 M55: Color Magnitude Diagram
Feb 7 Distant Open Cluster M103
Jan 24 NGC 3603: X-Rays From A Starburst Cluster
Jan 3 M8: In the Center of the Lagoon Nebula

2000 (28)

Dec 24 NGC 1850: Gas Clouds and Star Clusters
Dec 6 Reflecting Merope
Nov 30 Palomar 13's Last Stand
Nov 11 The First Lunar Observatory
Nov 8 October Skylights
Oct 22 Wild Duck Open Cluster M11
Oct 15 Globular Cluster Omega Centauri
Oct 5 N81: Star Cradle in the SMC
Oct 1 The Center of Centaurus A
Sep 29 September Sky
Sep 22 M55: Globular Star Cluster
Sep 10 White Dwarf Stars Cool
Aug 30 The Brown Dwarfs of Orion's Trapezium
Aug 22 NGC 2244: A Star Cluster in the Rosette Nebula
Aug 4 M15: Dense Globular Star Cluster
Jul 29 NGC1850: Star Cluster in the LMC
Jul 19 Globular Cluster M19
Jun 22 Blue Stragglers In NGC 6397
May 24 Pleiades, Planets, And Hot Plasma
May 23 M4: The Closest Known Globular Cluster
Apr 5 The M7 Open Star Cluster in Scorpius
Mar 31 Free-Floating Planets In Orion
Mar 2 NGC 1999: Reflection Nebula in Orion
Mar 1 M13: The Great Globular Cluster in Hercules
Feb 27 The Pleiades Star Cluster
Jan 27 Spiral Galaxy In Centaurus
Jan 23 A Message From Earth
Jan 12 NGC 6791: An Old, Large Open Cluster

1999 (26)

Dec 18 Irregular Galaxy Sextans A
Oct 27 In the Heart of the Tarantula Nebula
Oct 18 NGC 3603: An Active Star Cluster
Oct 8 NGC 1365: Barred Spiral Galaxy
Sep 21 The Quintuplet Star Cluster
Sep 17 M3: Half A Million Stars
Sep 11 The Annotated Galactic Center
Aug 28 X-Ray Pleiades
Aug 25 Reflections on NGC 6188
Aug 22 The Center of Centaurus A
Aug 15 M104: The Sombrero Galaxy
Jul 9 NGC 7789: Galactic Star Cluster
Jul 7 M80: A Dense Globular Cluster
Jun 30 NGC 6934 from Gemini North
Apr 29 NGC 2266: Old Cluster in the New General Catalog
Apr 7 Denizen of the Tarantula Nebula
Apr 2 Stars of NGC 206
Mar 29 NGC 1850: Gas Clouds and Star Clusters
Mar 5 M46 And NGC 2438: Young And Old
Mar 1 Reflection Nebula NGC 1435
Feb 25 NGC 6712: Galactic Globular Cluster
Feb 22 NGC 1316: After Galaxies Collide
Feb 21 In the Center of 30 Doradus
Feb 2 The Orion Nebula from Subaru
Jan 17 NGC 1818: A Young Globular Cluster
Jan 6 M6: The Butterfly Cluster

1998 (17)

Dec 7 Star-Forming Region RCW38
Nov 7 Globular Cluster 47 Tucanae
Oct 25 The Pleiades Star Cluster
Oct 17 A Giant Globular Cluster in M31
Sep 21 NGC 281: Cluster, Clouds, and Globules
Aug 19 M13: The Great Globular Cluster in Hercules
Aug 3 M44: A Beehive of Stars
Jul 27 N81: Starbirth in the SMC
Jul 21 Nearby Spiral M33
Jul 19 Globular Cluster M3
Jul 7 M8: The Lagoon Nebula
May 22 The Center of Centaurus A
Apr 5 X-Ray Pleiades
Mar 29 NGC 3293: A Bright Young Open Cluster
Mar 7 NGC 1818: A Young Globular Cluster
Feb 23 M104: The Sombrero Galaxy
Jan 17 At The Core Of M15

1997 (20)

Nov 14 Irregular Galaxy Sextans A
Nov 11 The Annotated Galactic Center
Nov 4 Blue Stragglers in Globular Clusters
Nov 2 White Dwarf Stars Cool
Oct 18 The Pleiades Star Cluster
Oct 4 In the Center of 30 Doradus
Sep 19 Globular Cluster 47 Tucanae
Jul 23 A Hale-Bopp Triple Crown
Jul 17 Message from Earth
Jun 20 NGC1850: Star Cluster in the LMC
Jun 2 Bright Star Knots in NGC 4038
May 6 NGC4039: Starbirth and Galaxy Death
May 5 Sunset with Hale-Bopp at Keck
Apr 16 A Star Cluster Through Hale-Bopp's Tail
Mar 18 X-Ray Pleiades
Feb 14 NGC 1818: A Young Globular Cluster
Feb 8 M104: The Sombrero Galaxy
Jan 29 NGC 869 & NGC 884: A Double Open Cluster
Jan 28 Open Cluster M50
Jan 18 M16: Nebula With Star Cluster

1996 (16)

Dec 6 Globular Cluster M3
Nov 12 Comet Hale-Bopp Passes M14
Nov 11 NGC 4755: A Jewel Box of Stars
Oct 4 Globular Cluster Omega Centauri
Sep 25 Bright Stars and Dark Clouds
Sep 3 The Pleiades Star Cluster
Aug 23 NGC 3293: A Bright Young Open Cluster
Jun 18 Seven Sisters Versus California
Jun 8 The First Lunar Observatory
May 24 In the Center of 30 Doradus
May 22 Star Cluster in the Rosette Nebula
Apr 26 A Giant Globular Cluster in M31
Apr 23 Comet Hyakutake on a Starry Night
Feb 21 Millions of Stars in Omega Centauri
Jan 27 M8: An Open Cluster in the Lagoon
Jan 16 Wild Duck Open Cluster M11

1995 (9)

Source

Astronomy Picture of the Day — NASA Science, science.nasa.gov/apod/archive

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