ATR2600C
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 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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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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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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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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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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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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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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Comet C/2025 A6 (Lemmon) is a long-period comet discovered on January 3, 2025 by David C.
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IC 1396 (Elephant Trunk Nebula)
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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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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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The Eagle Nebula is a young open cluster of stars in the constellation of Serpens.
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The Bubble Nebula, also known as NGC 7635, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia.
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The Bubble Nebula (NGC 7635) in the constellation Cassiopeia.
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The Soap Bubble Nebula (PN G75.5+1.7, also cataloged as Ju 1) is a faint planetary nebula in the constellation Cygnus, sitting near the much brighter Crescent Nebula (NGC 6888), with which it is often framed in the same wide-field shot.
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The Crescent Nebula NGC 6888 is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth.
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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 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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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 Pinwheel Galaxy M101 (or NGC 5457) as seen from my backyard.
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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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NGC 4236 is a barred spiral galaxy in the constellation Draco and an outlying member of the M81 Group of galaxies, located roughly 12-15 million light-years away (estimates in the literature range from about 11.7 to 21 million light-years).
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Messier 5 (M5, NGC 5904) is a globular cluster in the constellation Serpens (Serpens Caput), and among the largest and oldest star clusters belonging to the Milky Way.
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The Leo Triplet comprised of M65, M66 and NGC 3628.
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The Leo Triplet (also called the M66 Group) is a small, gravitationally bound group of three spiral galaxies in the constellation Leo, roughly 30-35 million light-years away: Messier 65, Messier 66, and NGC 3628.
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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 1275 (also known as Perseus A or Caldwell 24) is a type 1.5 Seyfert galaxy located around 237 million light-years away in the direction of the constellation Perseus.
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Messier 96 (M96, NGC 3368) is an intermediate spiral galaxy in the constellation Leo and the brightest member of the Leo I Group (also known as the M96 Group), a small galaxy cluster that also includes M95 and M105.
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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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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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NGC 1893 and IC 410, the Tadpoles Nebula - BBC The Sky At Night "is located 12,000 lightyears from Earth in the Auriga constellation, and is nicknamed the Tadpole Nebula because of the tadpole-shaped clouds of dark dust that appear to be swimming towards the centre.
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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 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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NGC 1893 (IC 410 Tadpoles Nebula)
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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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