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Nebula formed of ionized gases that emit light of various wavelengths
An emission nebula is a nebula formed of ionized gases that emit light of various wavelengths. The most common source of ionization is high-energy ultraviolet
Emission_nebula
Emission nebula in the constellation Dorado
N11 (also known as LMC N11, LHA 120-N 11) is the brightest emission nebula in the north-west part of the Large Magellanic Cloud in the Dorado constellation
N11_(emission_nebula)
Body of interstellar clouds
Lagoon Nebula Orion Nebula Pelican Nebula Red Square Nebula Ring Nebula Rosette Nebula Tarantula Nebula Waterfall Nebula Gum catalog (emission nebulae)
Nebula
Emission nebula in the constellation Dorado
N44 is an emission nebula with superbubble structure located in the Large Magellanic Cloud, a satellite galaxy of the Milky Way in the constellation Dorado
N44_(emission_nebula)
Emission nebula in the constellation Sagittarius
stars, an emission nebula (the relatively dense, reddish-pink portion), a reflection nebula (the mainly NNE blue portion), and a dark nebula (the apparent
Trifid_Nebula
Emission nebula in the constellation Cygnus
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
North_America_Nebula
Clouds of interstellar dust which reflect the light of nearby stars
the nearby stars is insufficient to ionize the gas of the nebula to create an emission nebula, but is enough to give sufficient scattering to make the
Reflection_nebula
Bipolar emission nebula in the constellation Carina
The Homunculus Nebula is a bipolar emission and reflection nebula surrounding the massive star system Eta Carinae, about 7,500 light-years (2,300 parsecs)
Homunculus_Nebula
Emission nebula in the constellation Cygnus
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
Crescent_Nebula
Emission nebula in the constellation Cassiopeia
The Bubble Nebula, also known as NGC 7635, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. It lies close
Bubble_Nebula
Planetary nebula in Lyra
parts of this nebula have a blue-green tinge that is caused by the doubly ionized oxygen emission lines at 495.7 and 500.7 nm. These emission lines are so-called
Ring_Nebula
Emission nebula in the constellation Cassiopeia
2-199, LBN 667, or Soul Nebula) is an emission nebula located in Cassiopeia. Several small open clusters are embedded in the nebula: Collinder 33 and 34
Westerhout_5
Emission nebula in the constellation Monoceros
excites the atoms in the nebula, causing them to emit radiation themselves producing the emission nebula we see. The mass of the nebula is estimated to be around
Rosette_Nebula
Emission nebula in Sagittarius
The Lagoon Nebula (catalogued as Messier 8 or M8, NGC 6523, Sharpless 25, RCW 146, and Gum 72) is a giant emission nebula with an H II region located in
Lagoon_Nebula
Type of emission nebula created by dying red giants
A planetary nebula is a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives
Planetary_nebula
can have sizes between 15 kpc and 460 kpc. Especially large Enormous Lyα nebula (ELAN) can have large sizes of ≳100 kpc. Farina et al. 2019 table 5 has
List_of_largest_nebulae
include emission nebulae and reflection nebulae. Barnard's Loop Barnard's Merope Nebula Bernes 149 Boomerang Nebula Bubble Nebula, NGC 7635 Bubble Nebula in
List_of_diffuse_nebulae
Emission nebula in the constellation Vela
The Gum Nebula (Gum 12) is an emission nebula that extends across 36° in the southern constellations Vela and Puppis. It lies approximately 450 parsecs
Gum_Nebula
Planetary nebula in the constellation Draco
Huggins' observations revealed that the nebula's spectrum was non-continuous and made of a few bright emission lines, first indication that planetary nebulae
Cat's_Eye_Nebula
H II region in the constellation of Cygnus
gaseous contortions of this emission nebula bear a resemblance to a pelican, giving rise to its name. The Pelican Nebula is located nearby first magnitude
Pelican_Nebula
Emission nebula in the constellation Orion
NGC 2174 (also known as Monkey Head Nebula) is an H II emission nebula located in the constellation Orion and is associated with the open star cluster
NGC_2174
H II region in the constellation Monoceros
comes from a dark absorption nebula consisting of cold molecular hydrogen and dust in front of a faint emission nebula containing hydrogen ionized by
Cone_Nebula
Emission nebula in the constellation Orion
enough to produce significant amounts of [O III] emission, unlike the Trapezium in the Orion Nebula. The H II region is a roundish volume of ionized hydrogen
Messier_43
Emission nebula in the constellation Cassiopeia
The Heart Nebula (also known as the Running Dog Nebula, Sharpless 2-190) is an emission nebula, 7,500 light-years (2,300 pc) away from Earth and located
Heart_Nebula
Emission nebula in Cygnus
The Propeller Nebula (also known as Simeis 57) is an emission nebula in Cygnus. It is a bright section of the much larger Sadr region. It is located 4°
Propeller_Nebula
Emission nebula in the constellation Perseus
The California Nebula (Also known NGC 1499 or Sh2-220) is an emission nebula located in the constellation Perseus. Its name comes from its resemblance
California_Nebula
Nebula near the star Sadr
IC 1318 (also known as Gamma Cygni Nebula) is the diffuse emission nebula and a H II region surrounding the star Sadr (γ Cygni) at the center of Cygnus's
IC_1318
Emission nebula in the constellation Norma
6165 compose a bipolar emission nebula located 3,870 light years away in the constellation Norma. Known as the Dragon's Egg nebula due to its proximity
NGC_6164
Planetary nebula in the constellation Ara
discovery of the nebula, its central star was known as He 3-1357, which Karl Gordon Henize classified as an A- or B-type Hα emission-line star in 1976
Stingray_Nebula
Planetary nebula in the constellation Musca
The Engraved Hourglass Nebula (also known as MyCn 18) is a young planetary nebula in the southern constellation Musca. It was discovered by Annie Jump
Engraved_Hourglass_Nebula
Open cluster in the constellation Serpens
Pillars of Creation. The Eagle Nebula lies in the Sagittarius Arm of the Milky Way. The Eagle Nebula is a diffuse emission nebula, or H II region, which is
Eagle_Nebula
Topics referred to by the same term
planetary nebula in the constellation Monoceros Little Dumbbell Nebula, a planetary nebula in the constellation Perseus IC 1318, an emission nebula in the
Butterfly_Nebula
Interstellar clouds in the constellation Carina
reflection and emission nebula just northwest of the Carina Nebula (or to its embedded star cluster). A small Bok globule in the Keyhole Nebula (at RA 10h 44m 30s
Carina_Nebula
Constellation in the southern sky
an emission nebula. NGC 2078 (RA 05h 39m 54s Dec −69° 44′ 54″) is an emission nebula. NGC 2080, also called the "Ghost Head Nebula", is an emission nebula
Dorado
Emission nebula in the constellation Cassiopeia
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
NGC_281
Planetary nebula in the constellation Aquarius
The Helix Nebula (also known as NGC 7293 or Caldwell 63) is a planetary nebula (PN) located in the constellation Aquarius. Discovered by Karl Ludwig Harding
Helix_Nebula
Emission nebula and star cluster in the constellation Vulpecula
NGC 6820 is an emission nebula that surrounds the much smaller open cluster NGC 6823 in Vulpecula. Messier 27 is found three degrees to the east, and
NGC_6820_and_NGC_6823
Planetary nebula in the constellation Musca
a bright emission nebula. It was Karl Gordon Henize in 1967 who first described NGC 5189 as quasi-planetary based on its spectral emissions. Seen through
NGC_5189
Nebula in the constellation Ophiucius
The Double Helix Nebula is a gaseous nebula in the direction of the constellation Ophiuchus, near the center of our galaxy. It is thought to have been
Double_Helix_Nebula
Planetary nebulae are a type of emission nebula created from the ejected gas of dying red giant stars. The following is an incomplete list of known planetary
List_of_planetary_nebulae
H II region and open cluster in the constellation Centaurus
the Running Chicken Nebula, the Lambda Centauri Nebula or the λ Centauri Nebula, is an open cluster with an associated emission nebula found in the constellation
IC_2944
Emission nebula in the constellation Scorpius
Prawn Nebula, also known as IC 4628, is an emission nebula located in the Sagittarius Arm of the Milky Way, around 6,000 light-years from Earth in the
Prawn_Nebula
Reflection nebula in the constellation Cygnus
(also Caldwell 19, Sh 2-125, Barnard 168, and the Cocoon Nebula) is a reflection/emission nebula and Caldwell object in the constellation Cygnus. The NGC
IC_5146
Emission nebula in the constellation Orion
IC 434 is a bright emission nebula in the equatorial constellation of Orion. It was discovered on February 1, 1786, by German-British astronomer William
IC_434
Emission nebula in the constellation of Orion
Barnard's Loop (catalogue designation Sh 2-276) is an emission nebula in the constellation of Orion. It is part of the Orion–Eridanus Superbubble, which
Barnard's_Loop
Nebula in the constellation Cepheus
IC 1396 is a large emission nebulae, a region of ionized gas, located in the constellation Cepheus about 2,400 light years away from Earth. IC 1396 is
IC_1396
Planetary nebula in the constellation Vulpecula
The Dumbbell Nebula (also known as the Apple Core Nebula, Messier 27, and NGC 6853) is a planetary nebula (nebulosity surrounding a white dwarf) in the
Dumbbell_Nebula
Emission nebula in the constellation Carina
NGC 3576 (also known as the Statue of Liberty Nebula) is a bright emission nebula and star-forming region in the southern constellation of Carina. It
NGC_3576
Emission nebula in the constellation Ara
NGC 6188, also known as the Firebird Nebula, is an emission nebula located about 4,000 light years away in the constellation Ara. The bright open cluster
NGC_6188
Emission nebula in the constellation Orion
The Flame Nebula is an emission nebula in the constellation Orion. Alternatively, it is designated as NGC 2024 and Sh2-277. It is about 1350 light-years
Flame_Nebula
Supernova remnant in the constellation Taurus
The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus. The common
Crab_Nebula
Emission nebula in the constellation Orion
NGC 2023 is an emission and reflection nebula in the equatorial constellation of Orion. It was discovered by the German-born astronomer William Herschel
NGC_2023
Nebula
(Sh 2-101) is a H II region emission nebula located in the constellation Cygnus. It is sometimes also called the Tulip Nebula because it appears to resemble
Sh_2-101
Barred spiral galaxy in the Local Group
the discovery of a huge, oxygen-rich emission nebula just south of M31, near the bright star 35 And. This nebula, now classified as SDSO-1, is exceedingly
Andromeda_Galaxy
Planetary nebula in the constellation Vela
has now blown off its outer layers and is making the nebula fluoresce brightly from the emission of its intense ultraviolet radiation. The 10th magnitude
NGC_3132
Zodiac constellation in the southern celestial hemisphere
Flammarion. The Trifid Nebula (M20, NGC 6514) is an emission nebula in Sagittarius that lies less than two degrees from the Lagoon Nebula. Discovered by French
Sagittarius_(constellation)
Topics referred to by the same term
electromagnetic source Emission line, or "spectral line", a dark or bright line in an otherwise uniform and continuous spectrum Emission nebula, a cloud of ionized
Emission
Sh 2-129 (also known as the Flying Bat Nebula), is a large emission nebula and H II region located in the constellation Cepheus. It is part of the Cepheus
Sh_2-129
Emission nebula in Scutum
Sh 2-58 (also known as LBN 79) is an emission nebula visible in the constellation of Scutum. Located in the western part of the constellation, about 1°
Sh_2-58
Type of interstellar cloud that obscures visible light
A dark nebula or absorption nebula is a type of interstellar cloud, particularly molecular clouds, that is so dense that it obscures the visible wavelengths
Dark_nebula
Nebula in the Large Magellanic Cloud
LMC N79 (or LHα 120-N79) is an emission nebula in the Large Magellanic Cloud. The nebula is part of the catalog of H-alpha stars and nebulae by Karl G
LMC_N79
Planetary nebula in the constellation Camelopardalis
IC 3568 is a planetary nebula that is 1.3 kiloparsecs (4500 ly) away from Earth in the constellation of Camelopardalis (just 7.5 degrees from Polaris)
Lemon_Slice_Nebula
Emission nebula in the constellation Auriga
IC 410 (also known as the Tadpole Nebula or Sh 2-365) is an emission nebula in the constellation of Auriga. It is part of a larger star-forming complex
IC_410
Nebula surrounding a dying star
radiation) to ionize the circumstellar nebula (ejected gases) and it becomes a kind of emission nebula called a Planetary Nebula. This transition must take place
Protoplanetary_nebula
Emission nebula in Barnard's Galaxy
bright H II emission. In Paul W. Hodge's 1977 paper it was designated Hodge 4. Its appearance is very similar to the filamentary nebula found in the
Ring_Nebula_(NGC_6822)
Emission nebula in Sagittarius
the Swan Nebula, Checkmark Nebula, Lobster Nebula, and the Horseshoe Nebula, and catalogued as Messier 17 or M17 or NGC 6618. The Omega Nebula is between
Omega_Nebula
Emission nebula in constellation Ophiuchus
Sh 2-27 (also known as the Cobold Nebula or the Zeta Ophiuchi Nebula), is an emission nebula in the constellation Ophiuchus. It is ionized by the star
Sh_2-27
Planetary nebula in the Milky Way
The Red Spider Nebula (also catalogued as NGC 6537) is a planetary nebula located in the northwest of the constellation Sagittarius. It was discovered
Red_Spider_Nebula
Region of nebulosity in Monoceros constellation
taken with the Stellarvue SV102 Access refractor The Seagull Nebula (IC 2177), an emission nebula on the Monoceros–Canis Major border. Amateur astrophotograph
IC_2177
Planetary nebula in the constellation Gemini
The Eskimo Nebula is a bipolar, double-shell planetary nebula (PN) in the northern constellation of Gemini. Alternatively, it is known as NGC 2392, Clown
Eskimo_Nebula
Nebula around the Pistol Star
The Pistol Nebula is located in the constellation Sagittarius. It surrounds one of the most luminous stars known, the Pistol Star. Both are located 25
Pistol_Nebula
Nebular structure inside Carina Nebula
Keyhole Nebula is a prominent dark nebulosity and feature within the larger Carina Nebula, a vast emission nebula in the southern constellation of Carina
Keyhole_Nebula
Emission nebula
RCW 145 is an emission nebula in the constellation Sagittarius. RCW 145 contains both Sh 2-26 and Sh 2-28. It is ionized by the supergiant stars LS 4551
RCW_145
Open cluster in the constellation Carina
northwest of the Carina Nebula (NGC 3372) at a distance of 9,100 ly (2,800 pc) from Earth. It is closely associated with the emission nebula IC 2599, also known
NGC_3324
Nebula in the constellation Dorado
N41 (also known as LMC N41, LHA 120-N 41) is an emission nebula in the north part of the Large Magellanic Cloud in the Dorado constellation. Originally
N41_(nebula)
Nebula in Barnard's Galaxy in the constellation Sagittarius
1925. It includes areas of bright H II emission. It is located north-west of the larger Hubble 1925 III. Ring Nebula (NGC 6822) NED 2007 Karachentsev et
Bubble_Nebula_(NGC_6822)
Planetary nebula in the constellation Lepus
estimated to be ~25 ± 4 km. The nebula is significantly brighter in ionized oxygen [O III] wavelengths compared to other emissions. The two slightly elongated
LoTr_1
H II region in the Large Magellanic Cloud
Henize 70 (N70) is a faint emission nebula and superbubble located in the Large Magellanic Cloud in the constellation of Dorado. Henize 70 was first observed
Henize_70
Emmission nebula in the constellation Auriga
IC 417 is an emission nebula in Auriga. It is part of the Aur OB2 association, located nearby to NGC 1931. It is located on the near side of the Perseus
IC_417
Emission nebula in the constellation Scorpius
a massive emission nebula and star-forming region located in the constellation Scorpius. It is colloquially known as the Cat's Paw Nebula, and can be
NGC_6334
Planetary nebula in the constellation Cygnus
distinctive feature of this nebula are the two bright patches on either side, which are known as Fast Low-Ionization Emission Regions, or FLIERS. They appear
NGC_6826
Emission nebula in Cygnus constellation
Sh 2-114 (also known as Flying Dragon Nebula) is a faint emission nebula located in the constellation of Cygnus. It lies roughly 4° East-Northeast of star
Sh_2-114
Supernova remnant in the constellation of Cygnus
constellation Cygnus, an emission nebula measuring nearly 3° across. Some arcs of the loop, known collectively as the Veil Nebula or Cirrus Nebula, emit in the visible
Cygnus_Loop
Reflection nebula in the constellation Sagittarius
reflection nebula in the constellation of Sagittarius. This nebula is near the similar reflection nebula NGC 6589. Both nebulas are flanked by red emission nebula
NGC_6590
Emission nebula
Clamshell Nebula (also known as Sh 2-119) is an emission nebula and star-forming region located in the constellation Cygnus. The Clamshell Nebula was discovered
Clamshell_Nebula
Emission nebula in the constellation Dorado
known as the Ghost Head Nebula, is a star-forming region and emission nebula to the south of the 30 Doradus (Tarantula) nebula, in the southern constellation
NGC_2080
Emission nebula in Lacerta constellation
Sh 2-126 (also known as Great Lacerta Nebula or Star Funnel Nebula) is a large emission nebula and molecular cloud complex located approximately 1200 light-years
Sh_2-126
Planetary nebula in the constellation Aquarius
The Saturn Nebula (also known as NGC 7009 or Caldwell 55) is a planetary nebula in the constellation Aquarius. It appears as a greenish-yellowish hue in
Saturn_Nebula
Reflection nebula in the constellation Corona Australis
NGC 6729 (also known as Caldwell 68) is a reflection/emission nebula of the Corona Australis Molecular Cloud in the constellation Corona Australis. It
NGC_6729
Emission nebula
known by the designation IC 1284, or the common name Twiddlebug Nebula, is an emission nebula in the constellation Sagittarius. It is located is the direction
Sh_2-37
Planetary nebula in the constellation Perseus
The Little Dumbbell Nebula, also known as Messier 76, NGC 650/651, the Barbell Nebula, or the Cork Nebula, is a planetary nebula in the northern constellation
Little_Dumbbell_Nebula
Quadruple star system in the constellation Orion
quadruple star system in the Orion constellation. It is located in the emission nebula Messier 43 and is the main star ionizing it. The distance to the system
NU_Orionis
Emission nebula in the constellation Dorado
NGC 1763 (also known as N11 B, LH 10 or ESO 85-EN20) is an emission nebula with an embedded star cluster in the Dorado constellation in the Large Magellanic
NGC_1763
Emission nebula in the constellation Dorado
NGC 2074 is a magnitude ~8 emission nebula in the Tarantula Nebula located in the constellation Dorado. It was discovered on 3 August 1826 by James Dunlop
NGC_2074
Diffuse nebula in the constellation Orion
The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula in the Milky Way situated south of Orion's Belt in the constellation
Orion_Nebula
Constellation in the northern celestial hemisphere
this large nebula, which measures 30 by 20 arcminutes. Between Gamma and Eta Cygni lies the Crescent Nebula (NGC 6888), an emission nebula formed by the
Cygnus_(constellation)
Nebula in constellation Perseus
The Wreath Nebula (also known as Barnard 3 or IRAS Ring G159.6-18.5 is an emission nebula and H II region with a radius of about 22 light-years, located
Wreath_Nebula
Planetary nebula in the constellation Norma
Observatory has detected laser light emissions from the nebula -- specifically, hydrogen recombination line laser emissions. This confirms the presence of a
Mz_3
Emission nebula in the constellation Dorado
NGC 2078 is an emission nebula with an apparent magnitude of 10.9, located in the constellation Dorado. It was discovered on September 24, 1826, by James
NGC_2078
Planetary nebula
(also known as Minkowski's Butterfly, Twin Jet Nebula or the Wings of a Butterfly Nebula) is a planetary nebula that is located about 2,100 light-years away
M2-9
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EMISSION NEBULA
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EMISSION NEBULA
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EMISSION NEBULA
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