The Iris Nebula is a bright reflection nebula located about 1,300 light years from Earth in the constellation of Cepheus.
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The Iris Nebula is a bright reflection nebula located about 1,300 light years from Earth in the constellation of Cepheus.
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- Hits: 45
The Iris Nebula is a bright reflection nebula located about 1,300 light years from Earth in the constellation of Cepheus.
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- Hits: 37
IC 1318, commonly called the Gamma Cygni Nebula or the Sadr Region, is a large emission (HII) nebula in Cygnus surrounding the bright star Sadr (Gamma Cygni) as seen in projection, though the two are not physically associated: Sadr itself lies roughly 1,800 light-years away, while the nebula is much farther, at around 4,900 light-years.
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- Hits: 119
IC 1318, commonly called the Gamma Cygni Nebula or the Sadr Region, is a large emission (HII) nebula in Cygnus surrounding the bright star Sadr (Gamma Cygni) as seen in projection, though the two are not physically associated: Sadr itself lies roughly 1,800 light-years away, while the nebula is much farther, at around 4,900 light-years.
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- Hits: 86
The Cocoon Nebula (IC 5146) is a striking combination of emission, reflection, and dark nebulosity in the constellation Cygnus, sitting at the tip of a long dark dust lane (Barnard 168) that trails away from it across the sky.
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The North America Nebula is an emission nebula in the constellation Cygnus, close to Deneb in the night sky.
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NGC 6946, sometimes referred to as the Fireworks Galaxy, is a grand design, face-on intermediate spiral galaxy with a small bright nucleus, whose location in the sky straddles the boundary between the northern constellations of Cepheus and Cygnus.
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NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm.
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- Hits: 97
Messier 33, the Triangulum Galaxy, is a face-on spiral galaxy in the constellation Triangulum and the third-largest member of the Local Group after the Milky Way and Andromeda.
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NGC 7331 is a large, unbarred spiral galaxy in the constellation Pegasus, located roughly 39-40 million light-years away and often cited as one of the closest visual analogs to our own Milky Way in overall size and structure.
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The Heart Nebula is an emission nebula, 7,500 light-years (2,300 pc) away from Earth and located in the Perseus Arm of the Galaxy in the constellation Cassiopeia.
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The Heart Nebula is an emission nebula, 7,500 light-years (2,300 pc) away from Earth and located in the Perseus Arm of the Galaxy in the constellation Cassiopeia.
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- Hits: 119
Messier 81, also known as Bode's Galaxy, is a classic grand-design spiral galaxy in Ursa Major lying about 12 million light-years away, with a disk spanning roughly 90,000 light-years.
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IC 4604 is a reflection nebula surrounding the multiple star system Rho Ophiuchi, near the Antares region on the Ophiuchus/Scorpius border.
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- Hits: 109
IC 1318, commonly called the Gamma Cygni Nebula or the Sadr Region, is a large emission (HII) nebula in Cygnus surrounding the bright star Sadr (Gamma Cygni) as seen in projection, though the two are not physically associated: Sadr itself lies roughly 1,800 light-years away, while the nebula is much farther, at around 4,900 light-years.
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- Hits: 93
IC 1318, commonly called the Gamma Cygni Nebula or the Sadr Region, is a large emission (HII) nebula in Cygnus surrounding the bright star Sadr (Gamma Cygni) as seen in projection, though the two are not physically associated: Sadr itself lies roughly 1,800 light-years away, while the nebula is much farther, at around 4,900 light-years.
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- Hits: 68
IC 1318, commonly called the Gamma Cygni Nebula or the Sadr Region, is a large emission (HII) nebula in Cygnus surrounding the bright star Sadr (Gamma Cygni) as seen in projection, though the two are not physically associated: Sadr itself lies roughly 1,800 light-years away, while the nebula is much farther, at around 4,900 light-years.
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- Hits: 86
The Eagle Nebula is a young open cluster of stars in the constellation of Serpens.
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The Eagle Nebula is a young open cluster of stars in the constellation of Serpens.
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Comet 10P/Tempel 2 is a periodic Jupiter-family comet discovered on July 4, 1873, by Wilhelm Tempel from the Marseille Observatory in France.
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The Andromeda Galaxy (M31, NGC 224) is the nearest large galaxy to the Milky Way, located about 2.5 million light-years away in the constellation Andromeda.
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Messier 24, the Small Sagittarius Star Cloud, is not a true star cluster or nebula but rather a gap in the foreground dust of the Milky Way's disk that lets observers see straight through to an extremely dense, distant field of stars in the Sagittarius Arm, roughly 10,000-16,000 light-years away.
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Messier 27, the Dumbbell Nebula (NGC 6853), is a planetary nebula in the constellation Vulpecula, and holds the distinction of being the first planetary nebula ever discovered, found by Charles Messier in 1764.
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Messier 27, the Dumbbell Nebula (NGC 6853), is a planetary nebula in the constellation Vulpecula, and holds the distinction of being the first planetary nebula ever discovered, found by Charles Messier in 1764.
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Messier 11 (NGC 6705), the Wild Duck Cluster, is a rich open star cluster in the constellation Scutum, lying about 6,100 light-years away, making it one of the most distant open clusters in the Messier catalog still visible to the naked eye.
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Messier 11 (NGC 6705), the Wild Duck Cluster, is a rich open star cluster in the constellation Scutum, lying about 6,100 light-years away, making it one of the most distant open clusters in the Messier catalog still visible to the naked eye.
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Messier 13 (NGC 6205), the Great Hercules Cluster, is the brightest globular cluster visible from the northern hemisphere, located in the constellation Hercules.
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- Hits: 115
IC 1318, commonly called the Gamma Cygni Nebula or the Sadr Region, is a large emission (HII) nebula in Cygnus surrounding the bright star Sadr (Gamma Cygni) as seen in projection, though the two are not physically associated: Sadr itself lies roughly 1,800 light-years away, while the nebula is much farther, at around 4,900 light-years.
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- Hits: 218
Messier 3 (NGC 5272) is a large, bright globular cluster in the constellation Canes Venatici, located approximately 33,900 light-years from Earth.
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IC 4604 is a reflection nebula surrounding the multiple star system Rho Ophiuchi, near the Antares region on the Ophiuchus/Scorpius border.
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Messier 13 (NGC 6205), the Great Hercules Cluster, is the brightest globular cluster visible from the northern hemisphere, located in the constellation Hercules.
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NGC 5907, known as the Splinter Galaxy or Knife Edge Galaxy, is a spiral galaxy in the constellation Draco seen almost perfectly edge-on, discovered by William Herschel in 1788.
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Messier 82, the Cigar Galaxy, is an edge-on starburst galaxy in Ursa Major, located about 12 million light-years away and gravitationally paired with the larger spiral M81, from which it lies only about 130,000-150,000 light-years distant.
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Markarian's Chain is a striking string of roughly eight galaxies stretching across the boundary between Virgo and Coma Berenices, forming part of the core of the Virgo Cluster, the nearest large galaxy cluster to the Milky Way, at a distance of around 50-60 million light-years.
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Markarian's Chain is a striking string of roughly eight galaxies stretching across the boundary between Virgo and Coma Berenices, forming part of the core of the Virgo Cluster, the nearest large galaxy cluster to the Milky Way, at a distance of around 50-60 million light-years.
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The Seagull Nebula is a large emission nebula complex straddling the border of Monoceros and Canis Major, roughly 3,650 light-years away and spanning about 100 light-years, or some 3 degrees on the sky (about seven times the apparent width of the full Moon).
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Comet C/2025 R3 (PANSTARRS) is a long-period comet discovered on September 8, 2025 by Yudish Ramanjooloo using the Pan-STARRS2 1.8-meter telescope on Haleakalā, Hawaii, when it appeared as a faint, roughly 19th-20th magnitude object in Andromeda some 3.6 AU from the Sun.
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Comet C/2025 R3 (PANSTARRS) is a long-period comet discovered on September 8, 2025 by Yudish Ramanjooloo using the Pan-STARRS2 1.8-meter telescope on Haleakalā, Hawaii, when it appeared as a faint, roughly 19th-20th magnitude object in Andromeda some 3.6 AU from the Sun.
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Messier 104, the Sombrero Galaxy, is a spiral galaxy of somewhat ambiguous classification straddling the Virgo/Corvus border, often described as intermediate between a spiral and a lenticular galaxy.
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IC 443, nicknamed the Jellyfish Nebula, is a supernova remnant in the constellation Gemini, located near the star Eta Geminorum at the foot of the Twins.
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IC 443, nicknamed the Jellyfish Nebula, is a supernova remnant in the constellation Gemini, located near the star Eta Geminorum at the foot of the Twins.
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IC 405, the Flaming Star Nebula, is a mixed emission and reflection nebula in the constellation Auriga, surrounding the bright, irregular variable star AE Aurigae.
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Messier 101, the Pinwheel Galaxy, is a large, face-on “grand design” spiral galaxy in Ursa Major, cataloged as NGC 5457.
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Messier 101, the Pinwheel Galaxy, is a large, face-on “grand design” spiral galaxy in Ursa Major, cataloged as NGC 5457.
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- Hits: 188
Markarian's Chain is a striking string of roughly eight galaxies stretching across the boundary between Virgo and Coma Berenices, forming part of the core of the Virgo Cluster, the nearest large galaxy cluster to the Milky Way, at a distance of around 50-60 million light-years.
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IC 2169, sometimes called Dreyer's Nebula, is a bright blue reflection nebula in the constellation Monoceros, lying roughly two degrees west of the more famous Cone Nebula and Christmas Tree Cluster (NGC 2264).
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SN 2026dix is a supernova discovered on February 16, 2026 by the MASTER robotic telescope network, appearing within the spiral arms of the galaxy NGC 3913 in Ursa Major.
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The Horsehead Nebula (Barnard 33) is a dark nebula silhouetted against the glowing red emission nebula IC 434 in the constellation Orion, just south of Alnitak (Zeta Orionis), the easternmost star in Orion's Belt.
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The Horsehead Nebula (Barnard 33) is a dark nebula silhouetted against the glowing red emission nebula IC 434 in the constellation Orion, just south of Alnitak (Zeta Orionis), the easternmost star in Orion's Belt.
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- Hits: 231
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IC 405, the Flaming Star Nebula, is a mixed emission and reflection nebula in the constellation Auriga, surrounding the bright, irregular variable star AE Aurigae.
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NGC 2264 is a combined designation covering the Christmas Tree Cluster, a young open star cluster in Monoceros, and the adjoining Cone Nebula, a dark, pillar-like dust column at its southern tip.
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The Orion Nebula (M42, NGC 1976) is a diffuse emission nebula in the constellation Orion and the closest large region of massive star formation to Earth, at a distance of roughly 1,300-1,350 light-years.
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The Seagull Nebula is a large emission nebula complex straddling the border of Monoceros and Canis Major, roughly 3,650 light-years away and spanning about 100 light-years, or some 3 degrees on the sky (about seven times the apparent width of the full Moon).
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- Hits: 228
NGC 2264 is a combined designation covering the Christmas Tree Cluster, a young open star cluster in Monoceros, and the adjoining Cone Nebula, a dark, pillar-like dust column at its southern tip.
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- Hits: 177
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- Hits: 556
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S30 Image Note: click on the image to view it at the full resolution of the uploaded image, then click again for actual size.
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IC 405, the Flaming Star Nebula, is a mixed emission and reflection nebula in the constellation Auriga, surrounding the bright, irregular variable star AE Aurigae.
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- Hits: 228
The Orion Nebula (M42, NGC 1976) is a diffuse emission nebula in the constellation Orion and the closest large region of massive star formation to Earth, at a distance of roughly 1,300-1,350 light-years.
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- Hits: 223
NGC 2244 is an open star cluster embedded within the Rosette Nebula, a large HII region in the constellation Monoceros located about 5,200 light-years away.
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- Hits: 511
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The Horsehead Nebula (Barnard 33) is a dark nebula silhouetted against the glowing red emission nebula IC 434 in the constellation Orion, just south of Alnitak (Zeta Orionis), the easternmost star in Orion's Belt.
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- Hits: 527
S30 Image Note: click on the image to view it at the full resolution of the uploaded image, then click again for actual size.
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- Hits: 561
Messier 33, the Triangulum Galaxy, is a face-on spiral galaxy in the constellation Triangulum and the third-largest member of the Local Group after the Milky Way and Andromeda.
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- Hits: 234
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- Hits: 573
The Andromeda Galaxy (M31, NGC 224) is the nearest large galaxy to the Milky Way, located about 2.5 million light-years away in the constellation Andromeda.
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- Hits: 185
The Andromeda Galaxy (M31, NGC 224) is the nearest large galaxy to the Milky Way, located about 2.5 million light-years away in the constellation Andromeda.
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- Hits: 108
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- Hits: 766
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- Hits: 540
The Orion Nebula (M42, NGC 1976) is a diffuse emission nebula in the constellation Orion and the closest large region of massive star formation to Earth, at a distance of roughly 1,300-1,350 light-years.
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- Hits: 83
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- Hits: 780
The Pleiades (M45), also called the Seven Sisters, is a bright open star cluster in the constellation Taurus, easily visible to the naked eye and known since antiquity.
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- Hits: 401
Messier 81, also known as Bode's Galaxy, is a classic grand-design spiral galaxy in Ursa Major lying about 12 million light-years away, with a disk spanning roughly 90,000 light-years.
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- Hits: 180
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- Hits: 437
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- Hits: 620
Comet C/2025 R2 (SWAN) is a long-period comet first spotted on September 11, 2025 by amateur astronomer Vladimir Bezugly in publicly available images from the SWAN (Solar Wind Anisotropies) instrument aboard the SOHO spacecraft, before receiving an official designation from the IAU.
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- Hits: 150
Messier 27, the Dumbbell Nebula (NGC 6853), is a planetary nebula in the constellation Vulpecula, and holds the distinction of being the first planetary nebula ever discovered, found by Charles Messier in 1764.
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- Hits: 141
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- Hits: 659
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- Hits: 712
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- Hits: 738
The Cocoon Nebula (IC 5146) is a striking combination of emission, reflection, and dark nebulosity in the constellation Cygnus, sitting at the tip of a long dark dust lane (Barnard 168) that trails away from it across the sky.
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- Hits: 146
Comet C/2025 A6 (Lemmon) is a long-period comet discovered on January 3, 2025 by David C.
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- Hits: 168
NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky Way's Perseus Spiral Arm.
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- Hits: 146
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- Hits: 500