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Galaxy in the constellations Cepheus & Cygnus
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
NGC_6946
Open cluster in the constellation Cepheus
from the spiral galaxy NGC 6946. The cluster lies approximately 4,000 light years away and it is over a billion years old. NGC 6939 is located near the
NGC_6939
S2CID 203593402. Neugent, Kathryn (2022). "Locating Red Supergiants in the Galaxy NGC 6822". The Astronomical Journal. 163 (2): 70. arXiv:2112.03990. Bibcode:2022AJ
List_of_largest_stars
Constellation in the northern celestial hemisphere
north celestial pole, as well as one of the oldest-known open clusters. NGC 6946 is a spiral galaxy in which ten supernovae have been observed, more than
Cepheus_(constellation)
Supernova in the Fireworks Galaxy
SN 1917A is a supernova event in the Fireworks Galaxy (NGC 6946), positioned 37″ west and 105″ south of the galactic core. Discovered by American optician
SN_1917A
Disappearing red supergiant star in the galaxy NGC 6946
supergiant star and failed supernova candidate formerly seen in the galaxy NGC 6946, on the northern border of the constellation of Cygnus. The star, either
N6946-BH1
1939 supernova in galaxy NGC 6946
2009), NGC 6946, retrieved 31 August 2011 Schlegel, E. M. (1994). "X-Ray Emission from the Historical Supernovae in the Spiral Galaxy NGC 6946: SN 1980K
SN_1939C
Ultra-high-energy cosmic ray
2026 study suggested that the particles likely originated from NGC 6946, Messier 82, or NGC 2403. Previously reported extremely high-energy cosmic ray events
Amaterasu_particle
Catalogue of peculiar galaxies produced by Halton Arp
While most of these galaxies (such as M101 and NGC 6946) are simply asymmetric spiral galaxies, NGC 6365 is an interacting pair of galaxies where one
Atlas_of_Peculiar_Galaxies
Astronomical objects catalogued by Patrick Moore
objects, such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). The Messier catalogue was actually compiled
Caldwell_catalogue
Spiral galaxy in the constellation Draco
"Stellar content and distances to the isolated spiral galaxies NGC 6503 and NGC 6946". Astronomy Letters. 40 (9): 537–550. Bibcode:2014AstL...40..537T
NGC_6503
Supernova in the constellation Cygnus
2004et was a bright Type II-P supernova that occurred in the spiral galaxy NGC 6946 (The Fireworks Galaxy), about 22 million light years away from Earth. The
SN_2004et
Galaxy undergoing an exceptionally high rate of star formation
close encounter with another galaxy. Starburst galaxies include M82, NGC 4038/NGC 4039 (the Antennae Galaxies), and IC 10. Starburst galaxies are defined
Starburst_galaxy
Galaxy in the constellation Ursa Major
NGC 3184, also known as The Little Pinwheel Galaxy, is an unbarred spiral galaxy approximately 40 million light-years away in the constellation Ursa Major
NGC_3184
System of stars and interstellar matter
gas-rich galaxies with high star-formation rates, like M 51, M 83 and NGC 6946, have 15 μG on average. In prominent spiral arms, the field strength can
Galaxy
This is a list of NGC objects 6001–7000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae
List of NGC objects (6001–7000)
List_of_NGC_objects_(6001–7000)
Spiral galaxy with prominent and well-defined spiral arms
(Bode’s Galaxy), M83 (Southern pinwheel galaxy), M101 (Pinwheel Galaxy), NGC 6946 (Fireworks Galaxy) and IC 342 (The Hidden Galaxy). Density wave theory
Grand_design_spiral_galaxy
Astrophysical phenomenon
surveys have detected possible candidates. The red supergiant N6946-BH1 in NGC 6946 underwent a modest outburst in March 2009, before fading from view. Only
Supernova
Black hole formed by a collapsed star
binaries: The disappearance of N6946-BH1 following a failed supernova in NGC 6946 may have resulted in the formation of a black hole. Black holes in fiction
Stellar_black_hole
Spiral galaxy in the constellation Virgo
image of NGC 4536 NGC 4536 by Spitzer Space Telescope NGC 4536 by GALEX (ultraviolet) NGC 4536 imaged by the Hubble Space Telescope NGC 6946 - a similar
NGC_4536
Bibcode:1971IBVS..505....1S. Ardeberg, A.; de Groot, M. (1973). "The 1972 supernova in NGC 5253. Photometric results from the first observing season". Astronomy & Astrophysics
List of supernovae (before 2000)
List_of_supernovae_(before_2000)
Galaxy in the constellation Pavo
NGC 6872, also known as the Condor Galaxy, is a large barred spiral galaxy of type SB(s)b pec in the constellation Pavo. It is 212 million light-years
NGC_6872
Galaxy in the constellation Ursa Major
Identified Supernova Remnants in the Nearby Spiral Galaxies NGC 5204, NGC 5585, NGC 6946, M81, and M101". The Astrophysical Journal Supplement Series
NGC_5585
American astronomer
Telford. (2023). "Spatially Resolved Recent Star Formation History in NGC 6946". "Julianne Dalcanton". Simons Foundation. 2021-09-15. Retrieved 2026-02-22
Julianne_Dalcanton
Catalogue of astronomical objects
II Program. The catalogue contains 400 objects. All objects are from the NGC. All objects are visible in mid northern latitudes, since they were all observed
Herschel_400_Catalogue
Cloud of heated and ionized gas and dust in the constellation Cygnus
as Caldwell 33), whose brightest area is NGC 6992, trailing off farther south into NGC 6995 (together with NGC 6992 also known as "Network Nebula") and
Veil_Nebula
Galaxy in the constellation Sculptor
dust covered properties, make it nearly identical to NGG 6946's SN 2008S. The spectrum of NGC 300-OT observed with Spitzer shows strong, broad emission
NGC_300
Spiral galaxy in the constellation Camelopardalis
away, and has a diameter of about 4,300 light-years (1.32 kiloparsecs). NGC 6946 – similar galaxy heavily obscured by Milky Way stars and dust. "NASA/IPAC
IC_342
Star that dies but does not explode
NGC3021-CANDIDATE-1 NGC 3021 09h 50m 55.39s +33° 33′ 14.5″ Disappearance of a 25-30 MSun F8 supergiant observed in archival HST data N6946-BH1 March 2009 NGC 6946 20h
Failed_supernova
Month of 1969
the fifth time in the 20th century, a supernova within the spiral galaxy NGC 6946 was observed from Earth, at least 22 million years after it had occurred
December_1969
; Tremonti, C. A. (2009-07-10). "An Intermediate Luminosity Transient in NGC 300: The Eruption of a Dust-Enshrouded Massive Star". The Astrophysical Journal
Intermediate Luminosity Red Transient
Intermediate_Luminosity_Red_Transient
Galaxy in the constellation Ursa Major
Identified Supernova Remnants in the Nearby Spiral Galaxies NGC 5204, NGC 5585, NGC 6946, M81, and M101". The Astrophysical Journal Supplement Series
NGC_5204
German scientist (born 1959)
titled "The Distribution of the Interstellar Medium in the SCD Galaxy NGC 6946 and in a Sample of Dwarf Irregular Galaxies." Upon completing her PhD,
Linda_Tacconi
Galaxy NGC 1090". Retrieved Dec. 26, 2006 Matthews, Doug & Betts, Charles (2003). "NGC 2541". Retrieved Dec. 26 2006. Frommert, Hartmut. "NGC 2715" Archived
List_of_spiral_galaxies
American astronomer
University of Wyoming in 1982. Her dissertation, A study of star formation in NGC 6946, was supervised by Gary Grasdalen. After working as an assistant scientist
Kathy_Eastwood
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
galaxies. List of NGC objects (1–1000) List of NGC objects (1001–2000) List of NGC objects (2001–3000) List of NGC objects (3001–4000) List of NGC objects (4001–5000)
List_of_NGC_objects
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
Month of 1968
observed from Earth. The explosion was detected from within the spiral galaxy NGC 6946 at least 22,000,000 years after it had occurred. Swiss astronomer Paul
February_1968
Spiral galaxy in the constellation Pyxis
ISSN 0004-6256. S2CID 18913331. "NASA/IPAC Extragalactic Database". Results for NGC 6946. Retrieved 22 September 2015. Tully, R. Brent; et al. (August 2016). "Cosmicflows-3"
NGC_2613
Planetary nebula in the constellation Draco
The Cat's Eye Nebula (also known as NGC 6543 and Caldwell 6) is a planetary nebula in the northern constellation of Draco, discovered by William Herschel
Cat's_Eye_Nebula
Planetary nebula in the constellation Cygnus
NGC 6826 (also known as Caldwell 15) is a planetary nebula located in the constellation Cygnus. It is commonly referred to as the "Blinking Planetary"
NGC_6826
Astronomical catalogue of deep sky objects
of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects
New_General_Catalogue
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
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 Scorpius
NGC 6357 is a diffuse nebula near NGC 6334 in the constellation Scorpius. The nebula contains many proto-stars shielded by dark discs of gas, and young
NGC_6357
Galaxy in the constellation Telescopium
NGC 6862 is a barred spiral galaxy in the constellation of Telescopium. Its velocity with respect to the cosmic microwave background is 4,100±9 km/s,
NGC_6862
Research. "IAUC 3539: 1980 S 28". Harvard University. "IAUC 3532: SN IN NGC 6946; Sats OF Saturn; HD 44179; W Hya". Harvard University. "Saturn: Moons:
Timeline of United States discoveries
Timeline_of_United_States_discoveries
Globular cluster in the constellation Hercules
Messier 13, or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules, the Hercules Globular Cluster, or the Great
Messier_13
Open cluster in the constellation Serpens
The Eagle Nebula (catalogued as Messier 16 or M16, and as NGC 6611, and also known as the Star Queen Nebula) is a young open cluster of stars in the constellation
Eagle_Nebula
Bipolar planetary nebula in the constellation Scorpius
NGC 6302 (also known as the Bug Nebula, Butterfly Nebula, or Caldwell 69) is a bipolar type planetary nebula in the constellation Scorpius. The structure
NGC_6302
Galaxy in the constellation Sagittarius
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
NGC_6822
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 Ara
bright open cluster NGC 6193, visible to the naked eye, is responsible for a region of reflection nebulosity within NGC 6188. NGC 6188 is a star forming
NGC_6188
Planetary nebula in Lyra
stars Beta and Gamma Lyrae. It is also catalogued as Messier 57, M57 and NGC 6720. The nebula was discovered by Charles Messier in 1779. It has an apparent
Ring_Nebula
Star cluster in the constellation Scorpius
NGC 6383 is an open cluster of stars in the constellation of Scorpius. It was discovered by English astronomer John Herschel in 1847. In the New General
NGC_6383
Chemical detected in space
extragalactic sources, including NGC 253, NGC 520, NGC 660, NGC 891, NGC 2903, NGC 3079, NGC 3628, NGC 6240, NGC 6946, IC 342, IC 860, Arp 55, Arp 220
Interstellar_formaldehyde
Planetary nebula in the constellation of Cygnus
NGC 6884 is a planetary nebula located in the constellation Cygnus, less than a degree to the southwest of the star Ο1 Cygni. It lies at a distance of
NGC_6884
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
Lagoon_Nebula
Globular cluster in the constellation Hercules
Messier 92 (also known as M92, M 92, or NGC 6341) is a globular cluster of stars in the northern constellation of Hercules. It was discovered by Johann
Messier_92
Galaxy in the constellation Serpens
NGC 6027d is a barred spiral galaxy that is strictly a visual member of Seyfert's Sextet, a compact group of galaxies, which is located in the constellation
NGC_6027d
Two interacting galaxies in the constellation Hercules
is a pair of interacting galaxies consisting of the two spiral galaxies NGC 6050 (left) and IC 1179 (right). Arp 272 lies around 450 million light years
Arp_272
Open cluster in the constellation of Cygnus
NGC 6811 is an open cluster in the constellation of Cygnus, near the constellation of Lyra. It has an angular size half that of the full Moon and includes
NGC_6811
Messier marathon
28 NGC 5907 Galaxy Dra Telescope - Binoculars 29 NGC 6946 Galaxy Cep Telescope - Binoculars 30 M39 Open cluster Cyg Telescope - Binoculars 31 NGC 7243
Sufi_Observing_Competition
Planetary nebula in the constellation Aquila
NGC 6751, also known as the Glowing Eye Nebula, is a planetary nebula in the constellation Aquila. It is estimated to be about 6,500 light-years (2.0
NGC_6751
Elliptical galaxy
NGC 6505 is an elliptical galaxy with Hubble sequence classification E/S0 in the northern celestial hemisphere constellation Draco. It is about 608 million
NGC_6505
Open cluster in Scorpius
The Butterfly Cluster (cataloged as Messier 6 or M6, and as NGC 6405) is an open cluster of stars in the southern constellation of Scorpius. Its name
Butterfly_Cluster
Globular cluster in the constellation Pavo
NGC 6752 (also known as Caldwell 93 and nicknamed the Great Peacock Globular) is a globular cluster in the constellation Pavo. It is the fourth-brightest
NGC_6752
Reflection nebula in the constellation Sagittarius
NGC 6590 is a reflection nebula in the constellation of Sagittarius. This nebula is near the similar reflection nebula NGC 6589. Both nebulas are flanked
NGC_6590
Open cluster in the constellation Scutum
The Wild Duck Cluster (also known as Messier 11, or NGC 6705) is an open cluster of stars in the constellation Scutum (the Shield). It was discovered
Wild_Duck_Cluster
Globular cluster in Sagittarius
Messier 54 (also known as M54 or NGC 6715) is a globular cluster in the constellation Sagittarius. It was discovered by Charles Messier in 1778 and then
Messier_54
Emission nebula in the constellation Scorpius
NGC 6334 is a massive emission nebula and star-forming region located in the constellation Scorpius. It is colloquially known as the Cat's Paw Nebula
NGC_6334
Planetary nebula in the constellation Cygnus
NGC 7027, also known as the Jewel Bug Nebula or the Magic Carpet Nebula, is a very young and dense planetary nebula located around 3,000 light-years (920
NGC_7027
Planetary nebula in the constellation Hercules
NGC 6210, sometimes also known as the Turtle Nebula or simply the Turtle, is a planetary nebula located approximately 5.4 ± 1.3 kly from the Sun in the
NGC_6210
Galaxy merger remnant in the constellation Ophiuchus
NGC 6240, also known as the Starfish Galaxy, is a nearby ultraluminous infrared galaxy (ULIRG) in the constellation Ophiuchus. It was discovered by French
NGC_6240
Open cluster in the constellation Cygnus
NGC 6910, also known as the Inchworn Cluster, is an open cluster in the constellation Cygnus. It was discovered by William Herschel on October 17, 1786
NGC_6910
Globular cluster in the constellation Sagittarius
NGC 6723 (also known as the Chandelier Cluster) is a globular cluster in the constellation Sagittarius. It was discovered by British astronomer James
NGC_6723
Supernova remnant in the constellation of Cygnus
+30° 35′ 43″. As the westernmost NGC object in the nebula (first in right ascension), its number is sometimes used as an NGC identifier for the nebula as
Cygnus_Loop
Galaxy in the constellation Pavo
NGC 6744 (also known as Caldwell 101 or the Pavo Galaxy) is an intermediate spiral galaxy in the constellation Pavo (Peacock). Its velocity with respect
NGC_6744
Open cluster in the constellation Lyra
NGC 6791 is an open star cluster in the Lyra constellation. It was discovered by Friedrich August Theodor Winnecke in 1853. At roughly 8 billion years
NGC_6791
Open cluster in the constellation Cygnus
Messier 39 or M39, also known as NGC 7092, is an open cluster of stars in the constellation of Cygnus, sometimes referred to as the Pyramid Cluster. It
Messier_39
Globular cluster in the constellation Scorpius
Messier 80 (also known as M80 or NGC 6093) is a globular cluster located approximately 32,600 light-years (10,000 pc) from Earth in the constellation
Messier_80
Reflection nebula in the constellation Sagittarius
NGC 6589 is a reflection nebula located in the constellation of Sagittarius, and it was discovered by Truman Safford on August 28, 1867. In August 1905
NGC_6589
Reflection nebula in the constellation Cygnus
NGC 6914 is a reflection nebula located approximately 6,000 light-years away in the constellation of Cygnus, and was discovered by Édouard Stephan on
NGC_6914
Planetary nebula in the constellation Cygnus
NGC 7048 is a planetary nebula in the constellation of Cygnus. The bright star to the lower left of the nebula is a magnitude 10.5 star, designated TYC
NGC_7048
Galaxy in the constellation Pavo
" NGC 6769 is a member of the IC 4845 galaxy group (also known as LGG 427), which contains 14 members, including NGC 6739, NGC 6746, NGC 6770, NGC 6782
NGC_6769
Open cluster in the constellation of Ophiuchus
NGC 6633 is a large bright open cluster in the constellation Ophiuchus. Discovered in 1745-46 by Philippe Loys de Chéseaux, it was independently rediscovered
NGC_6633
X-ray binary in Cygnus containing a stellar black hole
Messier 29 Messier 39 NGC 6811 NGC 6819 NGC 6834 NGC 6866 NGC 6871 NGC 6910 NGC 7011 NGC 7024 NGC 7031 NGC 7037 NGC 7044 NGC 7050 NGC 7093 Molecular clouds
Cygnus_X-1
Elliptical globular cluster in the constellation Sagittarius
Messier 22 or M22, also known as NGC 6656 or the Great Sagittarius Cluster, is an elliptical globular cluster of stars in the constellation Sagittarius
Messier_22
Star noted for unusual dimming events
Cross. It is situated south of 31 Cygni, and northeast of the star cluster NGC 6866. While only a few arcminutes away from the cluster, it is unrelated
Tabby's_Star
Planetary nebula in the constellation Scorpius
NGC 6153 is a planetary nebula in the southern constellation Scorpius. It was discovered in 1883 by English astronomer Ralph Copeland. This nebula has
NGC_6153
Galaxy in the constellation of Ursa Major
NGC 3998 is a lenticular galaxy located in the constellation Ursa Major. It was discovered on April 14, 1789, by German-British astronomer William Herschel
NGC_3998
Young planetary nebula in the constellation of Ophiuchus
NGC 6572 is a planetary nebula in the constellation Ophiuchus. It was discovered in 1825 by the German astronomer Friedrich Georg Wilhelm von Struve.
NGC_6572
Globular cluster in Scorpius
Messier 4 or M4 (also known as NGC 6121 or the Spider Globular Cluster) is a globular cluster in the constellation of Scorpius. It was discovered by Philippe
Messier_4
Open cluster in the constellation Cygnus
NGC 6871 is a small, young open cluster in the constellation of Cygnus. The cluster has fewer than 50 members, most of which are blue and white stars
NGC_6871
Globular cluster in Ophiuchus
Messier 9 or M9 (also designated NGC 6333) is a globular cluster in the constellation of Ophiuchus. It is positioned in the southern part of the constellation
Messier_9
Globular cluster in the constellation of Sagittarius
NGC 6440 is a globular cluster of stars in the southern constellation of Sagittarius. It was discovered by German-English astronomer William Herschel
NGC_6440
Planetary nebula in the constellation Aquila
NGC 6781, also known as the Snowglobe Nebula, is a planetary nebula located in the equatorial constellation of Aquila, about 2.5° east-northeast of the
NGC_6781
Globular cluster in the constellation Delphinus
NGC 6934 (also known as Caldwell 47) is a globular cluster of stars in the northern constellation of Delphinus, about 52 kilolight-years distant from
NGC_6934
Globular cluster in the constellation Corona Australis
NGC 6541 (also known as Caldwell 78) is a globular cluster of stars in the southern constellation of Corona Australis. The globular cluster was discovered
NGC_6541
NGC 6946
NGC 6946
NGC 6946
NGC 6946
NGC 6946
NGC 6946
NGC 6946
NGC 6946
NGC 6946