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Caldwell catalogue

Index Caldwell catalogue

The Caldwell Catalogue is an astronomical catalogue of 109 star clusters, nebulae, and galaxies for observation by amateur astronomers. [1]

189 relations: Amateur astronomy, Andromeda (constellation), Antennae Galaxies, Apparent magnitude, Apus, Aquarius (constellation), Ara (constellation), Astronomical catalog, Auriga (constellation), Barred irregular galaxy, Barred spiral galaxy, Boötes, Cambridge University Press, Camelopardalis, Cancer (constellation), Canes Venatici, Canis Major, Carina (constellation), Carina Nebula, Cassiopeia (constellation), Cat's Eye Nebula, Centaurus, Centaurus A, Cepheus (constellation), Cetus, Chamaeleon, Circinus, Coalsack Nebula, Columba (constellation), Coma Berenices, Constellation, Corona Australis, Corvus (constellation), Crescent Nebula, Crux, Cygnus (constellation), Dark nebula, Declination, Delphinus, Dorado, Double Cluster, Draco (constellation), Elliptical galaxy, Eskimo Nebula, Fornax, Galaxy, Gemini (constellation), Globular cluster, Helix Nebula, Herschel 400 Catalogue, ..., Horologium (constellation), Hyades (star cluster), Hydra (constellation), IC 1613, IC 2391, IC 2602, IC 2944, IC 342, IC 405, IC 5146, Interacting galaxy, Iris Nebula, Irregular galaxy, Jewel Box (star cluster), Lacerta, Lenticular galaxy, Leo (constellation), Light-year, Lynx (constellation), Messier object, Monoceros, Musca, Nebula, New General Catalogue, NGC 1097, NGC 1261, NGC 1275, NGC 147, NGC 185, NGC 1851, NGC 188, NGC 2070, NGC 2244, NGC 2261, NGC 2360, NGC 2362, NGC 2403, NGC 2419, NGC 246, NGC 247, NGC 2477, NGC 2506, NGC 2516, NGC 2775, NGC 2867, NGC 300, NGC 3115, NGC 3132, NGC 3195, NGC 3201, NGC 3242, NGC 3532, NGC 362, NGC 3626, NGC 3766, NGC 40, NGC 4236, NGC 4244, NGC 4372, NGC 4449, NGC 4559, NGC 4565, NGC 457, NGC 4609, NGC 4631, NGC 4697, NGC 4833, NGC 4889, NGC 4945, NGC 5005, NGC 5248, NGC 5286, NGC 55, NGC 559, NGC 5694, NGC 5823, NGC 6025, NGC 6067, NGC 6087, NGC 6101, NGC 6124, NGC 6193, NGC 6231, NGC 6302, NGC 6352, NGC 6397, NGC 6541, NGC 663, NGC 6729, NGC 6744, NGC 6752, NGC 6822, NGC 6826, NGC 6885, NGC 6934, NGC 6946, NGC 7006, NGC 7243, NGC 7331, NGC 7479, NGC 752, NGC 7635, NGC 7662, NGC 7814, NGC 869, NGC 884, NGC 891, Norma (constellation), North America Nebula, Omega Centauri, Open cluster, Patrick Moore, Pavo (constellation), Pegasus (constellation), Perseus (constellation), Planetary nebula, Puppis, Rosette Nebula, Sagittarius (constellation), Saturn Nebula, Scorpius, Sculptor (constellation), Sculptor Galaxy, Sextans, Sh2-155, Sky & Telescope, Spiral galaxy, Star cluster, Supernova remnant, Tarantula Nebula, Taurus (constellation), Triangulum Australe, Tucana, Type-cD galaxy, Veil Nebula, Vela (constellation), Virgo (constellation), Vulpecula, 47 Tucanae. Expand index (139 more) »

Amateur astronomy

Amateur astronomy is a hobby whose participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes.

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Andromeda (constellation)

Andromeda is one of the 48 constellations listed by the 2nd-century Greco-Roman astronomer Ptolemy and remains one of the 88 modern constellations.

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Antennae Galaxies

The Antennae Galaxies, also known as NGC 4038/NGC 4039, are a pair of interacting galaxies in the constellation Corvus.

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Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

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Apus

Apus is a small constellation in the southern sky.

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Aquarius (constellation)

Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces.

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Ara (constellation)

Ara (Latin: "The Altar") is a southern constellation situated between Scorpius and Triangulum Australe.

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Astronomical catalog

An astronomical catalog or catalogue is a list or tabulation of astronomical objects, typically grouped together because they share a common type, morphology, origin, means of detection, or method of discovery.

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Auriga (constellation)

Auriga is one of the 88 modern constellations; it was among the 48 constellations listed by the 2nd-century astronomer Ptolemy.

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Barred irregular galaxy

A barred irregular galaxy is an irregular version of a barred spiral galaxy.

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Barred spiral galaxy

A barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars.

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Boötes

Boötes is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere.

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Camelopardalis

Camelopardalis is a large but obscure constellation of the northern sky representing a giraffe.

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Cancer (constellation)

Cancer is one of the twelve constellations of the zodiac.

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Canes Venatici

Canes Venatici is one of the 88 official modern constellations.

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Canis Major

Canis Major is a constellation in the southern celestial hemisphere.

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Carina (constellation)

Carina is a constellation in the southern sky.

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Carina Nebula

The Carina Nebula (catalogued as NGC 3372; also known as the Grand Nebula, Great Nebula in Carina, or Eta Carinae Nebula) is a large, complex area of bright and dark nebulosity in the constellation Carina, and is located in the Carina–Sagittarius Arm.

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Cassiopeia (constellation)

Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty.

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Cat's Eye Nebula

The Cat's Eye Nebula or NGC 6543, is a relatively bright planetary nebula in the northern constellation of Draco, discovered by William Herschel on February 15, 1786.

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Centaurus

Centaurus is a bright constellation in the southern sky.

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Centaurus A

Centaurus A or NGC 5128 is a galaxy in the constellation of Centaurus.

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Cepheus (constellation)

Cepheus is a constellation in the northern sky, which is named after Cepheus (a King in the Greek mythology).

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Cetus

Cetus is a constellation.

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Chamaeleon

Chamaeleon is a small constellation in the southern sky.

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Circinus

Circinus is a small, faint constellation in the southern sky, first defined in 1756 by the French astronomer Nicolas-Louis de Lacaille.

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Coalsack Nebula

The Coalsack Dark Nebula (or simply the Coalsack) is the most prominent dark nebula in the skies, easily visible to the naked eye as a dark patch silhouetted against the southern Milky Way.

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Columba (constellation)

Columba is a small, faint constellation created in the late sixteenth century.

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Coma Berenices

Coma Berenices is an ancient asterism in the northern sky which has been defined as one of the 88 modern constellations.

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Constellation

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

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Corona Australis

Corona Australis is a constellation in the Southern Celestial Hemisphere.

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Corvus (constellation)

Corvus is a small constellation in the Southern Celestial Hemisphere.

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Crescent Nebula

The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth.

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Crux

Crux is a constellation located in the southern sky in a bright portion of the Milky Way.

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Cygnus (constellation)

Cygnus is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan.

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Dark nebula

A dark nebula or absorption nebula is a type of interstellar cloud that is so dense that it obscures the light from objects behind it, such as background stars and emission or reflection nebulae.

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Declination

In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.

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Delphinus

Delphinus (Eng. U.S.) Eng.

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Dorado

Dorado (English pronunciation) is a constellation in the southern sky.

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Double Cluster

The Double Cluster (also known as Caldwell 14) is the common name for the open clusters NGC 869 and NGC 884 (often designated h Persei and χ Persei, respectively), which are close together in the constellation Perseus.

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Draco (constellation)

Draco is a constellation in the far northern sky.

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Elliptical galaxy

An elliptical galaxy is a type of galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless image.

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Eskimo Nebula

The Eskimo Nebula (NGC 2392), also known as the Clownface Nebula or Caldwell 39, is a bipolar double-shell planetary nebula (PN).

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Fornax

Fornax is a constellation in the southern sky, partly ringed by the celestial river Eridanus.

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Galaxy

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.

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Gemini (constellation)

Gemini is one of the constellations of the zodiac.

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Globular cluster

A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite.

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Helix Nebula

The Helix Nebula, also known as The Helix, NGC 7293, is a large planetary nebula (PN) located in the constellation Aquarius.

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Herschel 400 Catalogue

The Herschel 400 catalogue is a subset of William Herschel's original Catalogue of Nebulae and Clusters of Stars, selected by Brenda F. Guzman (Branchett), Lydel Guzman, Paul Jones, James Morrison, Peggy Taylor and Sara Saey of the Ancient City Astronomy Club in St.

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Horologium (constellation)

Horologium is a faint constellation in the southern sky.

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Hyades (star cluster)

The Hyades (Greek Ὑάδες, also known as Melotte 25 or Collinder 50) is the nearest open cluster and one of the best-studied star clusters.

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Hydra (constellation)

Hydra is the largest of the 88 modern constellations, measuring 1303 square degrees.

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IC 1613

IC 1613 (also known as Caldwell 51) is an irregular dwarf galaxy, visible in the constellation Cetus near the star 26 Ceti.

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IC 2391

IC 2391 (also known as the Omicron Velorum Cluster) is an open cluster in the constellation Vela.

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IC 2602

IC 2602, generally known as the Southern Pleiades or Theta Carinae Cluster, is an open cluster in the constellation Carina that was discovered by Abbe Lacaille in 1751 from South Africa.

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IC 2944

IC 2944, also known as the Running Chicken Nebula or the λ Centauri Nebula, is an open cluster with an associated emission nebula found in the constellation Centaurus, near the star λ Centauri.

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IC 342

IC 342 (also known as Caldwell 5) is an intermediate spiral galaxy in the constellation Camelopardalis relatively close to the Milky Way.

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IC 405

IC 405 (also known as the Flaming Star Nebula, SH 2-229, or Caldwell 31) is an emission/reflection nebula in the constellation Auriga, surrounding the bluish star AE Aurigae.

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IC 5146

IC 5146 (also Caldwell 19, Sh 2-125, and the Cocoon Nebula) is a reflection/emission nebula and Caldwell object in the constellation Cygnus.

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Interacting galaxy

Interacting galaxies (colliding galaxies) are galaxies whose gravitational fields result in a disturbance of one another.

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Iris Nebula

The Iris Nebula, also NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus.

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Irregular galaxy

An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy.

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Jewel Box (star cluster)

The Jewel Box (Kappa Crucis Cluster or NGC 4755) is an open cluster in the constellation Crux, originally discovered by Nicolas Louis de Lacaille in 1751–1752.

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Lacerta

Lacerta is one of the 88 modern constellations defined by the International Astronomical Union.

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Lenticular galaxy

A lenticular galaxy (denoted S0) is a type of galaxy intermediate between an elliptical (denoted E) and a spiral galaxy in galaxy morphological classification schemes.

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Leo (constellation)

Leo is one of the constellations of the zodiac, lying between Cancer the crab to the west and Virgo the maiden to the east.

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Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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Lynx (constellation)

Lynx is a constellation named after the animal, usually observed in the northern sky.

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Messier object

The Messier objects are a set of 110 astronomical objects, of which 103 were included in lists published by French astronomer Charles Messier in 1771 and 1781.

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Monoceros

Monoceros (Greek: Μονόκερως) is a faint constellation on the celestial equator.

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Musca

Musca is a small constellation in the deep southern sky.

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Nebula

A nebula (Latin for "cloud" or "fog"; pl. nebulae, nebulæ, or nebulas) is an interstellar cloud of dust, hydrogen, helium and other ionized gases.

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New General Catalogue

The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888.

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NGC 1097

NGC 1097 is a barred spiral galaxy about 45 million light years away in the constellation Fornax.

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NGC 1261

NGC 1261, also known as Caldwell 87, is a globular cluster in the constellation Horologium, first discovered by James Dunlop in 1826.

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NGC 1275

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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NGC 147

NGC 147 (also known as DDO3 or Caldwell 17) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia.

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NGC 185

NGC 185 (also known as Caldwell 18) is a dwarf spheroidal galaxy located 2.08 million light-years from Earth, appearing in the constellation Cassiopeia.

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NGC 1851

NGC 1851 (also known as Caldwell 73) is a globular cluster located in the constellation Columba.

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NGC 188

NGC 188 is an open cluster in the constellation Cepheus.

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NGC 2070

NGC 2070 is a large open cluster and candidate super star cluster located on the south-east corner of the Large Magellanic Cloud.

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NGC 2244

NGC 2244 (also known as Caldwell 50) is an open cluster in the Rosette Nebula, which is located in the constellation Monoceros.

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NGC 2261

NGC 2261 (also known as Hubble's Variable Nebula or Caldwell 46) is a variable nebula located in the constellation Monoceros.

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NGC 2360

NGC 2360, also known as Caroline's Cluster, is an open cluster in the constellation Canis Major.

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NGC 2362

NGC 2362 is an open cluster in the constellation Canis Major.

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NGC 2403

NGC 2403 (also Caldwell 7) is an intermediate spiral galaxy in the constellation Camelopardalis.

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NGC 2419

NGC 2419 (also known as Caldwell 25) is a globular cluster in the constellation Lynx.

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NGC 246

NGC 246, known as the Skull Nebula,"The Night Sky", Astronomy Now, Oct 2008.

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NGC 247

NGC 247 is an intermediate spiral galaxy (although it is sometimes classified as a dwarf spiral galaxy) about 11.1 Mly away in the constellation Cetus.

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NGC 2477

NGC 2477 is an open cluster in the constellation Puppis.

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NGC 2506

NGC 2506 is an open cluster in the constellation Monoceros.

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NGC 2516

NGC 2516 is an open star cluster in the southern sky in the constellation Carina discovered by Abbe Lacaille in 1751-1752.

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NGC 2775

NGC 2775 (also known as Caldwell 48) is an unbarred spiral galaxy with a prominent ring structure in the constellation Cancer.

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NGC 2867

NGC 2867 is a planetary nebula in the constellation Carina.

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NGC 300

NGC 300 is a spiral galaxy in the constellation Sculptor.

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NGC 3115

NGC 3115 (also called the Spindle Galaxy or Caldwell 53) is a field lenticular (S0) galaxy in the constellation Sextans.

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NGC 3132

NGC 3132, also known as the Eight-Burst Nebula, the Southern Ring Nebula, is a bright and extensively studied planetary nebula in the constellation Vela.

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NGC 3195

NGC 3195 is a planetary nebula located in the constellation Chamaeleon.

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NGC 3201

NGC 3201 (also known as Caldwell 79) is a low galactic latitude globular cluster in the southern constellation of Vela.

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NGC 3242

NGC 3242, commonly known as the Ghost of Jupiter, is a planetary nebula located in the constellation Hydra.

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NGC 3532

NGC 3532, also commonly known as the Football ClusterAmateur Astronomer Association of New York, or the Wishing Well Cluster, is an open cluster some 405 parsecs from Earth in the constellation Carina.

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NGC 362

NGC 362 (Caldwell 104) is a globular cluster located in the constellation Tucana in the Southern Hemisphere, slightly north of the Small Magellanic Cloud.

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NGC 3626

NGC 3626, also Caldwell 40, is a medium-tightness spiral galaxy and Caldwell object in the constellation Leo.

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NGC 3766

NGC 3766 is an open star cluster in the southern constellation Centaurus.

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NGC 40

NGC 40 (also known as the Bow-Tie Nebula and Caldwell 2) is a planetary nebula discovered by William Herschel on November 25, 1788, and is composed of hot gas around a dying star.

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NGC 4236

NGC 4236 (also known as Caldwell 3) is a barred spiral galaxy located in the constellation Draco.

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NGC 4244

NGC 4244, also Caldwell 26, is an edge-on loose Spiral galaxy and Caldwell object in the constellation Canes Venatici.

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NGC 4372

NGC 4372 (also known as Caldwell 108) is a globular cluster in the southern constellation of Musca.

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NGC 4449

NGC 4449 is an irregular Magellanic type galaxy in the constellation Canes Venatici, being located about 12 million light-years away.

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NGC 4559

NGC 4559 (also known as Caldwell 36) is an intermediate spiral galaxy with a weak inner ring structure in the constellation Coma Berenices.

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NGC 4565

NGC 4565 (also known as the Needle Galaxy or Caldwell 38) is an edge-on spiral galaxy about 30 to 50 million light-years away in the constellation Coma Berenices.

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NGC 457

NGC 457 (also known as the Owl Cluster, the ET Cluster, or Caldwell 13) is an open star cluster in the constellation Cassiopeia.

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NGC 4609

NGC 4609 is an open cluster in the southern constellation of Crux.

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NGC 4631

NGC 4631 (also known as the Whale Galaxy or Caldwell 32) is a barred spiral galaxy in the constellation Canes Venatici.

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NGC 4697

NGC 4697 (also known as Caldwell 52) is an elliptical galaxy some 40 to 50 million light-years away in the constellation Virgo.

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NGC 4833

NGC 4833 (also known as Caldwell 105) is a globular cluster discovered by Abbe Lacaille during his 1751-1752 journey to South Africa, and catalogued in 1755.

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NGC 4889

NGC 4889 (also known as Coma B) is an E4 supergiant elliptical galaxy.

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NGC 4945

NGC 4945 is a barred spiral galaxy in the constellation Centaurus, visible near the star Xi Centauri.

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NGC 5005

NGC 5005 (also known as Caldwell 29) is an inclined spiral galaxy in the constellation Canes Venatici.

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NGC 5248

NGC 5248 (also known as Caldwell 45) is a compact intermediate spiral galaxy about 59 million light-years away in the constellation Boötes.

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NGC 5286

NGC 5286 (also known as Caldwell 84) is a globular cluster of stars located some 35,900 light years away in the constellation Centaurus.

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NGC 55

NGC 55, also occasionally referred to as The Whale Galaxy, is a Magellanic type barred spiral galaxy located about 7 million light-years away in the constellation Sculptor.

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NGC 559

NGC 559, also Caldwell 8, is an open cluster and Caldwell object in the constellation Cassiopeia.

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NGC 5694

NGC 5694 (also known as Caldwell 66) is a globular cluster in the constellation Hydra.

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NGC 5823

NGC 5823 (Caldwell 88) is an open cluster in the southern constellation of Circinus, near (and extending across) its border with the constellation Lupus.

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NGC 6025

NGC 6025 is an open cluster located 2,700 light years away in the Triangulum Australe constellation.

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NGC 6067

NGC 6067 is an open cluster in the constellation Norma.

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NGC 6087

NGC 6087 is an open cluster of 40 or more stars centered on the Cepheid variable S Normae in the constellation Norma.

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NGC 6101

NGC 6101 (also known as Caldwell 107) is a globular cluster in the constellation Apus, which was discovered by James Dunlop and catalogued by him as Δ68.

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NGC 6124

NGC 6124 is an open cluster located 18,600 light years away in the constellation Scorpius.

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NGC 6193

NGC 6193 is open cluster containing 27 stars in the constellation Ara, visible to the unaided eye.

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NGC 6231

NGC 6231 is an open cluster located near Zeta Scorpii.

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NGC 6302

NGC 6302, also called the Bug Nebula, Butterfly Nebula, is a bipolar planetary nebula in the constellation Scorpius.

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NGC 6352

NGC 6352 (also known as Caldwell 81) is a globular cluster in the southern constellation Ara.

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NGC 6397

NGC 6397, also known as Caldwell 86, is a globular cluster in the constellation Ara.

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NGC 6541

NGC 6541 (also known as Caldwell 78) is a globular cluster in the southern constellation of Corona Australis.

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NGC 663

NGC 663, also known as Caldwell 10, is young open cluster of about 400 stars in the Cassiopeia constellation.

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NGC 6729

NGC 6729 is a reflection/emission nebula in the constellation Corona Australis.

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NGC 6744

NGC 6744 is an intermediate spiral galaxy about 30 million light-years away in the constellation Pavo.

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NGC 6752

NGC 6752 (also known as Caldwell 93) is a globular cluster in the constellation Pavo.

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NGC 6822

NGC 6822 (also known as Barnard's Galaxy, IC 4895, or Caldwell 57) is a barred irregular galaxy approximately 1.6 million light-years away in the constellation Sagittarius.

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NGC 6826

NGC 6826 (also known as Caldwell 15) is a planetary nebula located in the constellation Cygnus.

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NGC 6885

NGC 6885, also Caldwell 37, is an open cluster in the constellation Vulpecula.

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NGC 6934

NGC 6934 (also known as Caldwell 47) is a globular cluster in the constellation Delphinus, about 50,000 light years distant.

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NGC 6946

NGC 6946 is a 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 7006

NGC 7006 (also known as Caldwell 42) is a globular cluster in the constellation Delphinus.

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NGC 7243

NGC 7243, also Caldwell 16, is an open cluster and Caldwell object in the constellation Lacerta.

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NGC 7331

NGC 7331 (also known as Caldwell 30) is an unbarred spiral galaxy about away in the constellation Pegasus.

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NGC 7479

NGC 7479 (also known as Caldwell 44) is a barred spiral galaxy about 105 million light-years away in the constellation Pegasus.

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NGC 752

NGC 752 (also known as Caldwell 28) is an open cluster in the constellation Andromeda.

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NGC 7635

NGC 7635, also called the Bubble Nebula, Sharpless 162, or Caldwell 11, is a H II region emission nebula in the constellation Cassiopeia.

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NGC 7662

NGC 7662, also known as the Blue Snowball Nebula or Snowball Nebula, is a planetary nebula located in the constellation Andromeda.

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NGC 7814

NGC 7814 (also known as UGC 8 or Caldwell 43) is a spiral galaxy about 40 million light-years away in the constellation Pegasus.

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NGC 869

NGC 869 is an open cluster located 7600 light years away in the constellation of Perseus.

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NGC 884

NGC 884 is an open cluster located 7600 light years away in the constellation of Perseus.

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NGC 891

NGC 891 (also known as Caldwell 23 and Silver Siver Galaxy) is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda.

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Norma (constellation)

Norma is a small constellation in the Southern Celestial Hemisphere between Ara and Lupus, one of twelve drawn up in the 18th century by French astronomer Nicolas-Louis de Lacaille and one of several depicting scientific instruments.

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North America Nebula

The North America Nebula (NGC 7000 or Caldwell 20) is an emission nebula in the constellation Cygnus, close to Deneb (the tail of the swan and its brightest star).

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Omega Centauri

Omega Centauri (ω Cen or NGC 5139) is a globular cluster in the constellation of Centaurus that was first identified as a non-stellar object by Edmond Halley in 1677.

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Open cluster

An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age.

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Patrick Moore

Sir Patrick Alfred Caldwell-Moore (4 March 19239 December 2012) was an English amateur astronomer who attained prominent status in that field as a writer, researcher, radio commentator and television presenter.

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Pavo (constellation)

Pavo is a constellation in the southern sky with the Latin name for peacock.

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Pegasus (constellation)

Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology.

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Perseus (constellation)

Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus.

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Planetary nebula

A planetary nebula, abbreviated as PN or plural PNe, is a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives.

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Puppis

Puppis is a constellation in the southern sky.

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Rosette Nebula

The Rosette Nebula (also known as Caldwell 49) is a large spherical H II region (circular in appearance) located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy.

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Sagittarius (constellation)

Sagittarius is one of the constellations of the zodiac.

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Saturn Nebula

The Saturn Nebula or NGC 7009 is a planetary nebula in the constellation Aquarius.

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Scorpius

Scorpius is one of the constellations of the zodiac.

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Sculptor (constellation)

Sculptor is a small and faint constellation in the southern sky.

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Sculptor Galaxy

The Sculptor Galaxy, also known as the Silver Coin or Silver Dollar Galaxy, NGC 253, is an intermediate spiral galaxy in the constellation Sculptor.

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Sextans

Sextans is a minor equatorial constellation which was introduced in 1687 by Johannes Hevelius.

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Sh2-155

Sh2-155 (also designated Sharpless 155 or S155) is a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity.

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Sky & Telescope

Sky & Telescope (S&T) is a monthly American magazine covering all aspects of amateur astronomy, including the following.

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Spiral galaxy

Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae(pp. 124–151) and, as such, form part of the Hubble sequence.

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Star cluster

Star clusters are groups of stars.

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Supernova remnant

A supernova remnant (SNR) is the structure resulting from the explosion of a star in a supernova.

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Tarantula Nebula

The Tarantula Nebula (also known as 30 Doradus) is an H II region in the Large Magellanic Cloud (LMC).

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Taurus (constellation)

Taurus (Latin for "the Bull") is one of the constellations of the zodiac, which means it is crossed by the plane of the ecliptic.

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Triangulum Australe

Triangulum Australe is a small constellation in the far Southern Celestial Hemisphere.

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Tucana

Tucana is a constellation of stars in the southern sky, named after the toucan, a South American bird.

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Type-cD galaxy

The type-cD galaxy (also cD-type galaxy, cD galaxy) is a galaxy morphology classification, a subtype of type-D giant elliptical galaxy.

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Veil Nebula

The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus.

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Vela (constellation)

Vela is a constellation in the southern sky.

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Virgo (constellation)

Virgo is one of the constellations of the zodiac.

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Vulpecula

Vulpecula is a faint constellation in the northern sky.

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47 Tucanae

47 Tucanae, 47 Tuc (or NGC 104) is a globular cluster located in the constellation Tucana.

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Redirects here:

Caldwell Catalogue, Caldwell Object, Caldwell Objects, Caldwell catalog, Caldwell object, Caldwell objects.

References

[1] https://en.wikipedia.org/wiki/Caldwell_catalogue

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