Open Clusters Collection

M16, The Eagle Nebula in Serpens

The massive galaxy cluster MACS J0717
This composite image shows the massive galaxy cluster MACS J0717.5+3745 (MACS J0717, for short), where four separate galaxy clusters have been involved in a collision

Milky Way over an old ranch corral
August 26, 2014 - The Milky Way over the old corral at the site of the 76 Ranch in the Frenchman Valley in Grasslands National Park, Saskatchewan, Canada

The Pinwheel Cluster and Starfish Cluster in the constellation Auriga
The Pinwheel Cluster (left), and the Starfish Cluster (right), in the constellation Auriga

The center of the Orion Nebula, known as the Trapezium Cluster
The center of the Orion Nebula (Messir 42), known as the Trapezium Cluster

Vela supernova remnant in the center of the Gum Nebula area of Vela
The Vela supernova remnant in the centre of the Gum Nebula area of Vela. This is the remains of a star that exploded thousands of years ago

The Beehive Cluster is an open cluster in the constellation Cancer. It is one of the nearest open clusters to the Solar System, and it contains a larger star population than most other nearby clusters

The Carina Nebula, also known as NGC 3372
NGC 3372, known as the Great Carina Nebula, is home to massive stars and flowing nebulae of gas and dust dominated by the super-bright massive star named Eta Carinae

Southern Milky Way from Vela to Centaurus with Crux & Carina
The southern Milky Way from Vela (at right) to Centaurus (at left), with the False Cross at left, the true Southern Cross at right of centre, and Alpha and Beta Centauri at left

NGC 457 is an open star cluster in the constellation Cassiopeia. It contains nearly one hundred stars and lies over 9, 000 light years away from the Sun

The Wild Duck Cluster, also known as NGC 6705
The Wild Duck Cluster (NGC 6705), is an open cluster of almost 3, 000 stars located over 5, 000 light years from Earth towards the southern constellation of Scutum

IC 2177, the Seagull Nebula. IC 2177 is a bright H II region located on the border of Monoceros and Canis Major

Comet Lovejoy and zodiacal light in City of Rocks State Park, New Mexico
January 16, 2015 - A scene looking west with a field stretching up to and beyond the zenith overhead, taking in the zodiacal light stretching up to the Pleiades at upper left

The Wild Duck Cluster in the constellation Scutum
The Wild Duck Cluster, also known as Messier 11, in the constellation Scutum

The constellation of Leo and the Coma Star Cluster in Coma Berenices. The slight brightening at bottom is from Gegenschein

The Orion constellation

The area around the head of Scorpius, including the bright star Antares at lower left of centre and the dark lanes leading to the star Rho Ophiuchi

NGC 884 and NGC 869, the Double Cluster in Perseus

Widefield view of of Simeis 147, the Flaming Star Nebula, and the Tadpole Nebula
Widefield view of of Simeis 147, the Flaming Star Nebula, The Tadpole Nebula, and open clusters Messier 36, Messier 37 and Messier 38

The Andromeda Galaxy and Triangulum Galaxy with star clusters
Full frame image showing the Andromeda Galaxy (Messier 31), at upper center, the Triangulum Galaxy (Messier 33), below center, NGC 752 star cluster (left of center)

The Auriga constellation showing lanes of dark nebulosity
A deep exposure image of the Auriga constellation showing lanes of dark nebulosity

NGC 1973, The Running Man Nebula. This image captured with a telescope and a scientific CCD camera

Orion and Canis Major showing dog stars Sirius and Procyon
Orion and Canis Major, taking in Canis Minor as well, including the dog stars Sirius (lower) and Procyon (upper left)

The Pleiades, Taurus and Orion with Jupiter over Doyle, Argentina
The Pleiades, Taurus and Orion with Jupiter as a guest, Doyle, Argentina

Messier 4 and NGC 6144 globular clusters with Antares, a red supergiant star
Messier 4 and NGC 6144 globular clusters in the constellation Scorpius, with the red supergiant star Antares

The Orion Nebula Region
The Orion Nebula, M42 and M43, with surrounding associated nebulae and star clusters, such as the Running Man Nebula above (NGC 1975) and blue star cluster above it, NGC 1981

Orion and the Winter Triangle stars; Sirius, Procyon and Betelgeuse. M50, M46, M47 and M41 open clusters are all visible at left

The Rosette Nebula

NGC 3293, the Gem Cluster and Gabriela Mistral Nebula
NGC 3324 and 3293 are sparkling star clusters at the northwest corner of the Carina Nebula. NGC3293 is a small but very bright open cluster, called the Gem Cluster

The Eagle Nebula in the constellation Serpens
M16, the Eagle Nebula in the constellation Serpens

Scorpius with parts of Lupus and Ara regions of the southern Milky Way
All of Scorpius, plus parts of Lupus and Ara regions of the southern Milky Way

NGC 4676, also known as the Mice Galaxies
NGC 4676, or the Mice Galaxies, are two spiral galaxies in the constellation Coma Berenices

The Rosette Nebula with nebulosity complex in Monoceros
The Rosette Nebula (bottom), with open cluster NGC 2244, and complex of nebulosity in Monoceros (above), including the Cone Nebula and Christmas Tree Cluster, with Monoceros dark nebula complex

The Heart and Soul Nebulae in the constellation Cassiopeia
The Heart Nebula (at right, aka IC 1805) and the Soul Nebula (at left, aka IC 1848, and also the Fetus Nebula), in Cassiopeia. Just right of upper centre is the open star cluster NGC 1027

The Bubble Nebula and open star cluster in the Cassiopeia constellation

Nebulosity in Cassiopeia showing NGC 7822 and IC 1805
Nebulosity in Cassiopeia showing NGC 7822 (above center), and IC 1805 (at left)

IC 59 and IC 62 faint reflection nebulae near Gamma Cassiopeia

The Coalsack and Jewel Box Cluster in the Southern Cross
The Coalsack and Jewel Box Cluster area on the east side of Crux, the Southern Cross

Southern Milky Way with Eta Carinae, Crux and Alpha & Beta Centauri
Area of southern Milky Way containing Eta Carinae, Crux and Alpha & Beta Centauri

The Lagoon Nebula and Trifid Nebula in the constellation Sagittarius
The Lagoon Nebula (NGC 6523), and Trifid Nebula (NGC 6514), in the constellation Sagittarius

The Vela Supernova Remnant

Bubble Nebula and Cave Nebula mosaic
A mosaic of the region in Cassiopeia and Cepheus containing the Bubble Nebula (NGC 7635) at lower left, and the Cave Nebula (Sh 2-155) at upper right. At left is the bright open cluster Messier 52

NGC 6188 emission nebula in the constellation Ara

Open cluster NGC 7789 in the constellation Cassiopeia

NGC 6357, the Lobster Nebula in Scorpius

Nebulosity in the constellations Cassiopeia and Cepheus showing IC 1396 (at right), and IC 1805 (at left)

A panorama of the Milky Way including several nebulae and clusters

The constellations of Auriga and southern Gemini, showing the four Messier star clusters: M36, M37, M38 in Auriga and M35 in Gemini

The southern Milky Way and the extensive Gum Nebula complex
The southern Milky Way from Canis Major to Carina, including Puppis and Vela and the large Gum Nebula complex, an interstellar bubble blown by stellar winds

NGC 7822 starforming compex in Cepheus

Antares and Scorpius Head area with Rho Ophiuchi nebulosity field oriented equatorially

Nebulosity in the Taurus constellation
This large region in the Taurus constellation contains astronomical objects such as IC 348 and NGC 1333

Pearl Cluster and Lambda Centauri complex in Centaurus
The Lambda Centauri complex, also known as the Running Chicken Nebula, IC 2948, (at left) and above it the Pearl Cluster (NGC 3766)

NGC 884, an open cluster in Perseus

Widefield view of the Gemini constellation with nearby deep sky objects
Widefield view of the Gemini constellation with many deep sky objects visible

Comet Lovejoys long ion tail in Taurus
January 16, 2016 - Comet Lovejoy (C/2014 Q2) amid the clusters, nebulae and dark dust clouds of Taurus and Perseus

Orion and Monoceros region

Visible light-infrared composite of IC 2177, the Seagull Nebula. IC 2177 is a bright H II region located on the border of Monoceros and Canis Major

NGC 7380 Emission Nebula in Cepheus

Constellations Cygnus and Lyra with nearby deep sky objects
Constellations Cygnus and Lyra. The North America Nebula is visible at top left and Gamma Cygni nebulosity left of center. The Cygnus star cloud is at center, Veil Nebula at lower left

NGC 884, an open cluster, in the constellation of Perseus
NGC 884 is an open cluster located 7600 light years away in the constellation of Perseus. It is the easternmost of the Double Cluster with NGC 869

Antennae (NGC 4038 and 4039), interacting pair of galaxies in Corvus
Comet Hartley 2 within the Double Cluster in the constellation Perseus

NGC 346, Open Cluster and Nebula Complex in the Small Magellanic Cloud. NGC 346 is the brightest star forming region in the Small Magellanic Cloud, a dwarf satellite galaxy of the Milky Way

NGC 1232, a spiral galaxy in Eridanus

The Trifid Nebula and Messier 21 cluster in Sagittarius

The constellation of Canis Major with nearby deep sky objects
The constellation of Canis Major, with Sirius at upper right, Messier 41 cluster to the left of Sirius, and M46 and M47 clusters above at upper right

An artists depiction of the constellation Cancer. The constellation features the nearby star cluster known as the Beehive Cluster. Cancer is one of the twelve astrological signs of the Zodiac

NGC 7380 in true colors

The Tadpole Nebula
IC 410, The Tadpole Nebula in Auriga

IC 2944, the Running Chicken Nebula in the Centaurus constellation

IC 1805, the Heart Nebula in Cassiopeia

The constellation of Cancer with nearby deep sky objects
The constellation of Cancer with the star cluster Messier 44 at center. Pollux is at upper right, Procyon at lower right, and Regulus at lower left

The Taurus region showing dark lanes of nebulosity

Messier 45, the Pleiades, an open star cluster in the Taurus constellation

NGC 457, the Owl Cluster, in the constellation Cassiopeia

Beautiful Nebulae in Gemini Constellation
This region in Gemini contains the famous Jellyfish Nebula, Monkey Head Nebula, and others

Open cluster Messier 39 in the constellation Cygnus

Comet Lovejoy in the winter sky
January 18, 2015 - Comet Lovejoy (C/2014 Q2) at upper right near the Pleiades, with its long blue ion tail stretching back to the left past the Pleiades

Widefield view of the southern constellations of Centaurus and Crux
Widefield view of Alpha and Beta Centauri stars in the southern constellation of Centaurus, along with the Southern Cross in the constellation Crux

The North America Nebula and dark nebulae in Cygnus
The area of northern Cygnus showing the dark nebula LeGentil 3 north of Cygnus in the Milky Way, along with the North America Nebula and the Pelican Nebula near Deneb

Emission nebula NGC 6188 star formation region in Ara
Emission nebula NGC 6188 with the bright open cluster 6193, star formation region in Ara

The colorful region around Antares in Scorpius and blue Rho Ophiuchi in Ophiuchus
The colorful region around yellow Antares (bottom) in Scorpius and blue Rho Ophiuchi (top) in Ophiuchus

Aquila constellation and the Serpens-Ophiuchus double cluster of IC 4756 and NGC 663. Altair and Terazed stars are visible at top

Zodiacal light in dawn sky, Alberta, Canada
October 7, 2013 - The zodiacal light in the pre-dawn sky in Alberta, Canada. Leo is just rising left of centre, with Mars above Regulus. Jupiter in Gemini is the bright object above centre

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EDITORS COMMENTS

"Exploring the Vastness of Open Clusters: A Celestial Journey" M16, The Eagle Nebula in Serpens: Witness the breathtaking beauty of this open cluster, where stars are born amidst stunning pillars of gas and dust. The massive galaxy cluster MACS J0717: Delve into the depths of space as you encounter this colossal gathering of galaxies, a true testament to the grandeur and complexity of our universe. IC 2177, the Seagull Nebula: Behold the ethereal charm of this open star cluster nestled within a nebulous expanse resembling a graceful seagull in flight. NGC 457 is an open star cluster in the constellation Cassiopeia: Embark on a journey through Cassiopeia's celestial realm and witness this mesmerizing congregation of stars that illuminates its surroundings. Milky Way over an old ranch corral: Marvel at nature's harmony as you gaze upon the enchanting sight of our own galaxy stretching across an ancient ranch corral, blending cosmic wonders with earthly remnants. The Pinwheel Cluster and Starfish Cluster in the constellation Auriga: Immerse yourself in Auriga's stellar tapestry adorned by these two captivating clusters that twinkle like celestial jewels against a dark canvas. Vela supernova remnant in the center of Gum Nebula area: Traverse through Vela's enigmatic landscape where remnants from cataclysmic explosions intertwine with vibrant nebulosity, painting a picture both hauntingly beautiful and awe-inspiring. The Beehive Cluster: Discover this bustling community nestled within Cancer's embrace—a swarm of stars buzzing together harmoniously, radiating their collective brilliance for all to behold. The Carina Nebula, also known as NGC 3372.