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Supernova remnant in the constellation of Cygnus
The Cygnus Loop (radio source W78, or Sharpless 103) is a large supernova remnant (SNR) in the constellation Cygnus, an emission nebula measuring nearly
Cygnus_Loop
Cloud of heated and ionized gas and dust in the constellation Cygnus
gas and dust in the constellation Cygnus. It constitutes the brightest parts of the visible portion of the Cygnus Loop, a supernova remnant, many portions
Veil_Nebula
Constellation in the northern celestial hemisphere
Cygnus is a northern constellation on the plane of the Milky Way, deriving its name from the Latinized Greek word for "swan". Cygnus is one of the most
Cygnus_(constellation)
Radio galaxy
Cygnus A (3C 405) is a radio galaxy, one of the strongest radio sources in the sky. A concentrated radio source in Cygnus was discovered by Grote Reber
Cygnus_A
Exoplanet candidate orbiting KOI-5715
located approximately 2,964 light-years from Earth in the constellation of Cygnus. It was identified in 2015 through an analysis of light curve data obtained
KOI-5715.01
X-ray binary in Cygnus containing a stellar black hole
Cygnus X-1 (abbreviated Cyg X-1) is a galactic X-ray source in the constellation Cygnus and was the first such source widely accepted to be a black hole
Cygnus_X-1
High mass X-ray binary in the constellation of Cygnus
Cygnus X-3 is a high-mass X-ray binary (HMXB), one of the stronger binary X-ray sources in the sky. It is often considered to be a microquasar, and it
Cygnus_X-3
Blue hypergiant star
Cygnus OB2 #12 is an extremely luminous blue hypergiant with an absolute bolometric magnitude (all electromagnetic radiation) of −10.9, among the most
Cygnus_OB2-12
Star formation region in the constellation of Cygnus
Cygnus-X is a massive star formation region located in the constellation of Cygnus at a distance from the Sun of 1.4 kiloparsecs (4,600 light years). It
Cygnus_X_(star_complex)
Giant molecular cloud in the Milky Way
The Cygnus Molecular Nebular Complex (also known simply as the Swan Complex) is a giant molecular cloud located in the heart of the boreal Milky Way, in
Cygnus Molecular Nebula Complex
Cygnus_Molecular_Nebula_Complex
X-ray imaging space telescope
including the Galactic Center, the Magellanic Clouds, Sco X-1, Cas A, Cygnus Loop, and a few extragalactic sources. The observations were performed in
Lobster Eye Imager for Astronomy
Lobster_Eye_Imager_for_Astronomy
Cluster of massive and luminous stars
Cygnus OB2 is an OB association that is home to some of the most massive and most luminous stars known, including suspected Luminous blue variable Cyg
Cygnus_OB2
H II region in the constellation of Cygnus
region associated with the North America Nebula in the constellation of Cygnus. The gaseous contortions of this emission nebula bear a resemblance to a
Pelican_Nebula
Planetary nebula in the constellation Cygnus
known as Caldwell 15) is a planetary nebula located in the constellation Cygnus. It is commonly referred to as the "Blinking Planetary", although many other
NGC_6826
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
HIP_99770_b
Open cluster in the constellation Cygnus
known as NGC 7092, is an open cluster of stars in the constellation of Cygnus, sometimes referred to as the Pyramid Cluster. It is positioned two degrees
Messier_39
Star in the constellation Cygnus
is a red hypergiant or red supergiant (RHG or RSG) in the constellation Cygnus. It is one of the largest known stars, and is also one of the most luminous
NML_Cygni
Star noted for unusual dimming events
8462852 in the Kepler Input Catalog) is a binary star in the constellation Cygnus approximately 1,470 light-years (450 parsecs) from Earth. The system is
Tabby's_Star
Emission nebula in the constellation Cygnus
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) in the night
North_America_Nebula
Star in the constellation Cygnus
Kepler-22 is a Sun-like star in the northern constellation of Cygnus, the swan, that is orbited by a planet found to be unequivocally within the star's
Kepler-22
Astronomical objects
301-2 Hercules X-1 Kesteven 79 PSR B1620−26 b 3C 58 Cas X-1 GW170817 Cygnus Loop Spaghetti Nebula SN 1987A Jellyfish Nebula Stellar designations and names
List_of_neutron_stars
Double star system in the constellation Cygnus
Cygni and is the fifth-brightest point of light in the constellation of Cygnus. Appearing to the naked eye to be a single star of magnitude 3, viewing
Albireo
Region of the stratosphere
April 28, 2003, which operated until early 2012. This GALEX image of the Cygnus Loop nebula could not have been taken from the surface of the Earth because
Ozone_layer
Emission nebula in the constellation Cygnus
Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth. It was discovered by William Herschel
Crescent_Nebula
Binary Star in the Cygnus OB2 association
Cygnus OB2 #9 (also known as Cyg OB2-9) is a massive O-type binary star system located in the Cygnus OB2 association, a young and massive OB association
Cygnus_OB2-9
Hot Jovian exoplanet orbiting KELT-9
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
KELT-9b
G-type main-sequence star in the constellation Cygnus
G-type subgiant star located about 1,810 light-years away from Earth in the Cygnus constellation. Although similar in temperature to the Sun, it is 20% brighter
Kepler-452
Galaxy in the constellations Cepheus & Cygnus
straddles the boundary between the northern constellations of Cepheus and Cygnus. Its distance from Earth is about 25.2 million light-years or 7.72 megaparsecs
NGC_6946
Planetary nebula in the constellation Cygnus
(also known as PN G075.5+01.7) is a planetary nebula in the constellation Cygnus, near the Crescent Nebula (NGC 6888). The nebula derives its name from its
Soap_Bubble_Nebula
Blue supergiant star in the constellation Cygnus
Deneb (/ˈdɛnɛb/) is a blue supergiant star in the constellation of Cygnus. It is the brightest star in the constellation and the 19th brightest in the
Deneb
Gas giant orbiting Kepler-1625
Kepler-1625 about 2,500 parsecs (8,200 light-years) away in the constellation of Cygnus. The large gas giant is approximately the same radius as Jupiter, and orbits
Kepler-1625b
Star in the constellation Cygnus
Gamma Cygni is a star in the northern constellation of Cygnus, forming the intersection of an asterism of five stars called the Northern Cross. It is officially
Gamma_Cygni
Planetary nebula in the constellation Cygnus
around 3,000 light-years (920 parsecs) from Earth in the constellation Cygnus. Discovered in 1878 by Édouard Stephan using the 800 mm (31 in) reflector
NGC_7027
proper motions of interstellar masers toward the Cygnus X star-forming complex. I. Membership of the Cygnus X region". Astronomy and Astrophysics. 539: A79
List_of_largest_nebulae
Star in the constellation of Cygnus
located around 6,000 light years away from Earth in the constellation of Cygnus, surrounded by a faint bubble nebula blown by the intense radiation and
WR_134
Spectroscopic binary star near the center of Cygnus OB2
Cygnus OB2 #8A is a double-lined spectroscopic binary located near the centre of the Cygnus OB2 association located 5,500 light years away. Until 1951
Cygnus_OB2-8A
Sun-like star in the constellation Cygnus
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-51
Star in the constellation Cygnus
dwarf star located 401 light-years (123 parsecs) away in the constellation Cygnus. It hosts three known exoplanets, discovered by the transit method using
Kepler-445
Sh 2-115 is an emission nebula and H II region in the constellation of Cygnus, catalogued by Stewart Sharpless in his 1959 second edition of H II regions
Sh_2-115
Star in the constellation Cygnus
previously designated KOI-148, is a subgiant star in the constellation of Cygnus, about 1,000 light years away. Kepler-48 has five confirmed exoplanets.
Kepler-48
Variable star in the constellation Cygnus
P Cygni (34 Cygni) is a variable star in the constellation Cygnus. The designation "P" was originally assigned by Johann Bayer in Uranometria as a nova
P_Cygni
Disappearing red supergiant star in the galaxy NGC 6946
in the galaxy NGC 6946, on the northern border of the constellation of Cygnus. The star, either a red supergiant or a yellow hypergiant, was 25 times
N6946-BH1
Double-faced white dwarf star in the constellation Cygnus
located more than 1,300 light-years (400 pc) away in the constellation Cygnus, discovered in 2019 by the Zwicky Transient Facility (ZTF), located at the
Janus_(star)
Star in Cygnus hosting four planets
spectral type of G2, 2370 light-years away from Earth in the constellation of Cygnus. It hosts a system of multiple exoplanets. Kepler-289 hosts three transiting
Kepler-289
Binary star system in the Cygnus constellation
61 Cygni /ˈsɪɡni/ is a binary star system in the northern constellation Cygnus, consisting of a pair of K-type dwarf stars that orbit each other in a period
61_Cygni
X-ray optics design that mimics the structure of lobster eyes
including the Galactic Center, the Magellanic Clouds, Sco X-1, Cas A, Cygnus Loop, and a few extragalactic sources. To eliminate interference from sunlight
Lobster-eye_optics
Nebula near the star Sadr
and a H II region surrounding the star Sadr (γ Cygni) at the center of Cygnus's cross thus getting a nickname Sadr Region. The Sadr Region is one of the
IC_1318
Unconfirmed exoplanet in the constellation of Cygnus
KOI-868, located approximately 1,315 light years away in the constellation of Cygnus. The planet candidate orbits the dim red dwarf star KOI-868, which has a
KOI-868.01
Red dwarf star in the constellation Cygnus
formerly known as KOI-961, is a red dwarf located in the constellation Cygnus and approximately 131 light years from the Sun. It has three known extrasolar
Kepler-42
Sun-like star in the constellation Cygnus
J19482762+4154328, is a Sun-like star slightly larger than the Sun in the constellation Cygnus, located some 2,110 light years from Earth. It is located within the field
Kepler-11
Open cluster in the constellation Cygnus
of the central bright star Gamma Cygni of a northerly zone of the sky, Cygnus. It was discovered by Charles Messier in 1764, and can be seen from Earth
Messier_29
Open cluster in the constellation Cygnus
known as the Inchworn Cluster, is an open cluster in the constellation Cygnus. It was discovered by William Herschel on October 17, 1786. The cluster
NGC_6910
Gas giant exoplanet with a potential exomoon
orbiting the Sun-like star Kepler-1708, located in the constellation of Cygnus approximately 5,600 light years away from Earth. It was first detected in
Kepler-1708b
Binary star system in the constellation Cygnus
located about 1,340 light-years (410 parsecs) away in the constellation Cygnus. It has been hypothesized to host one or more exoplanets. Periodic variations
Kepler-451
F-type main-sequence star in the constellation Cygnus
900 light-years (1,500 parsecs) away from Earth in the constellation of Cygnus. The star is 10% larger and 5% hotter than the Sun. The star has at least
Kepler-385
Super-Earth orbiting Kepler-1652
habitable zone of the red dwarf Kepler-1652 about 822 light-years away in the Cygnus constellation. Discovered by NASA's Kepler spacecraft, Kepler-1652b was
Kepler-1652b
Nebula
Sh 2-112 is a nebula in Cygnus. It is located within the Orion Arm, and is near star complex Cygnus X. It is ionized by the central star BD+45 3216. It
Sh_2-112
Hot Jupiter orbiting TrES-5
discovered by astronomical transit located 1100 light years from Earth in the Cygnus constellation, orbiting the star GSC 03949-00967 of type G in the planetary
TrES-5b
Triple star system in the constellation Cygnus
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Wolf_1130
Star in the constellation Cygnus
star about 3,600 light-years (1,100 parsecs) away in the constellation Cygnus, with an apparent visual magnitude of 14.87. This is too faint to be seen
Kepler-70
Planetary nebula in the constellation Cygnus
NGC 6842 is a planetary nebula in Cygnus, along the border with Vulpecula. It was independently discovered three times. First on 28 June 1863 by Albert
NGC_6842
G5V star in the constellation Cygnus
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-223
Extrasolar planet
announced in 2016 and located 1138 light years away, in the constellation of Cygnus. The planet orbits the K-type star Kepler-1544, which has a metallicity
Kepler-1544b
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
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
Red dwarf star with two exoplanets
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-1649
Exoplanet
K7V, located about 1,596 light years from Earth in the constellation of Cygnus. The planet orbits its star every 93 days, in the circumstellar habitable
Kepler-283_c
+00° 38′ 42″ 8600–7000 BCE ? 23,000 ? Milky Way neutron star PSR J1852+0040 Cygnus Loop, including Veil Nebula 20h 51m +30° 40′ 6,000−3,000 BCE 7 1,470 ? Milky
List_of_supernova_remnants
Protoplanetary nebula
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Egg_Nebula
Earth-size exoplanet orbiting Kepler-1649
about 301 light-years (92 pc) away from Earth, in the constellation of Cygnus. Kepler-1649c orbits its star a distance of 0.0649 AU (9.71 million km;
Kepler-1649c
Radio galaxy in the constellation Cygnus
4C +48.48 is a radio galaxy located in the constellation Cygnus. At the redshift of 2.343, it is one of the most distant galaxies ever seen, since light
4C_+48.48
Reflection nebula in the constellation Cygnus
is a reflection/emission nebula and Caldwell object in the constellation Cygnus. The NGC description refers to IC 5146 as a cluster of 9.5 mag stars involved
IC_5146
Star in the constellation Cygnus
main-sequence star 1,120 light-years (340 parsecs) distant within the constellation Cygnus. Roughly the size and temperature of the Sun, PH2 gained prominence when
PH2
Terrestrial exoplanet orbiting Kepler-186
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-186b
Binary star in the constellation Cygnus
Kepler-47 is a binary star system in the constellation Cygnus located about 3,420 light-years (1,050 parsecs) away from Earth. The stars have three exoplanets
Kepler-47
Star in the constellation of Cygnus
WR 142 is a Wolf–Rayet star in the constellation Cygnus, an extremely rare star on the WO oxygen sequence. It is a luminous and very hot star, highly evolved
WR_142
Exoplanet
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-409b
Asterism
Cygnus OB9 is an OB association in Cygnus. It is near to the Cygnus OB2 association. The region is embedded within a wider one of star formation known
Cygnus_OB9
Emission nebula in Cygnus constellation
Dragon Nebula) is a faint emission nebula located in the constellation of Cygnus. It lies roughly 4° East-Northeast of star Sigma Cygni. At the northeastern
Sh_2-114
Small circumbinary gas giant orbiting the Kepler-34 star system
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-34b
Minor spiral arm of the Milky Way galaxy; contains the Solar System
The Orion Arm, also known as the Orion–Cygnus Arm, is a minor spiral arm within the Milky Way Galaxy spanning 3,500 light-years (1,100 parsecs) in width
Orion_Arm
Star in Cygnus
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-87
Exoplanet orbiting KELT-20
The host star is an A-type main-sequence star in the constellation of Cygnus having 2.282 solar masses, 1.617 solar radius and an apparent magnitude
KELT-20b
Venus-like exoplanet orbiting Kepler-1649
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-1649b
Star system in Cygnus
triple star system located about 1,088 light-years away in the constellation Cygnus. The apparent magnitude of this star is 10.5, which means it is not visible
HAT-P-7
Star in the constellation Cygnus
star, located 177.5 parsecs (579 light years) away in the constellation of Cygnus. The star is slightly cooler than the sun, with roughly half its metallicity
Kepler-186
Open cluster in the Cygnus constellation
NGC 7044 is an open cluster located in the Cygnus constellation. Containing approximately 742 stars, it was discovered by 18th century English astronomer
NGC_7044
Star in the constellation Cygnus
abbreviated Epsilon Cyg, ε Cyg) is a binary star in the constellation of Cygnus. With an apparent visual magnitude of 2.48, it is readily visible to the
Epsilon_Cygni
Star with exoplanet
Kepler-1625 is a 14th-magnitude solar-mass star located in the constellation of Cygnus approximately 7,200 light-years (2,200 parsecs) away. Its mass is within
Kepler-1625
Binary star system in the constellation Cygnus
Kepler-16 is an eclipsing binary star system in the constellation of Cygnus that was targeted by the Kepler spacecraft. Both stars are smaller than the
Kepler-16
Star in constellation Cygnus
star in the located 1,950 light years from Earth on the constellation of Cygnus. V1331 Cyg is located in the dark nebula LDN 981. V1331 Cygni is most noted
V1331_Cygni
IC 4996 is an open cluster in Cygnus. It is located on the galactic plane. Is is located in the same part of the sky as LBN 206 and LBN 209. IC 4996 is
IC_4996
Emission nebula
an emission nebula and star-forming region located in the constellation Cygnus. The Clamshell Nebula was discovered in the early 1950s by Grigory Abramovich
Clamshell_Nebula
M-type star in the constellation Cygnus
formerly known as KOI-254, is a star in the northern constellation of Cygnus. It is located at the celestial coordinates: right ascension 19h 31m 29
Kepler-45
Super-puff
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-87c
This is the list of notable stars in the constellation of Cygnus, sorted by decreasing apparent magnitude. List of stars by constellation ESA (1997). "The
List_of_stars_in_Cygnus
Multiple system in the constellation Cygnus
Cygni is a microquasar and a triple star system in the constellation of Cygnus. It contains a black hole with a mass of about 9 M☉ and an early K giant
V404_Cygni
Star in the constellation Cygnus
supergiant or hypergiant of spectral class M3Ia located in the constellation Cygnus. It is approximately 4,700 light-years away. KY Cyg lies near the bright
KY_Cygni
Open star cluster in the Cygnus constellation
an open star cluster located in the constellation of Cygnus. "NGC 7011 - Open Cluster in Cygnus | TheSkyLive". theskylive.com. Retrieved 2025-09-04. v
NGC_7011
Binary star system in the constellation Cygnus
Nebula SNR Cygnus Loop (including Veil Nebula) Little Veil Nebula Galaxies NGC 6801 6946 (partly in Cepheus) 7013 Other 3C 438 4C +48.48 Cygnus A QSO B1954+513
Kepler-411
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