Constellations of the northern hemisphere

Constellations which span the celestial equator have been grouped under this heading for convenience.

AB CD EG HL MO PS TU V

Name Meaning Major Stars Interesting features
AndromedaDaughter of Queen Cassiopeia and King Cepheus alpha AndromedaeDouble star, gamma Andromedae
Great Andromeda Galaxy
Planetary nebula NGC 7662
Open cluster NGC 752
AquilaThe EagleAltair (alpha Aquilae)Cepheid variable star eta Aquilae
Double stars 15 Aquilae and 57 Aquilae
AriesThe Ramalpha Arietis (Hamal) Double stars gamma Arietis, lambda Arietis and pi Arietis
AurigaThe Charioteer Capella (alpha Aurigae) Variable star epsilon Aurigae
Double stars theta Aurigae and 4 Aurigae
Open clusters M36 (NGC 1960), M37 (NGC 2099) and M38 (NGC 1912)
BoötesThe Herdsman Arcturus (alpha Boötes) Double stars Izar or Pulcherrima (epsilon Boötes), mu, nu1, nu2 and xi Boötes
Quadrantid meteors
CamelopardalisThe GiraffeBrightest stars mag 4 Double stars beta Camelopardalis, Struve 1694 or 32 Cam
Open cluster NGC 1502
Galaxy NGC 2403
CancerThe CrabNo bright starsDouble stars zeta Cancri and iota Cancri
Open cluster M44 (NGC 2632), Praesepe or the Beehive Cluster
Canes VenaticiThe Hunting DogsAlpha Canum Venaticorum (Cor Caroli), a double star of mag 2.9Globular cluster M3 (NGC 5272)
Galaxies M51 (NGC 5194), the Whirlpool Galaxy, NGC 5195, a satellite galaxy of M51, and M94 (NGC 4736)
Canis MinorThe Lesser Dog Procyon (alpha Canis Minoris) Procyon forms a triangle of bright stars with Sirius and Betelgeux
CassiopeiaWife of King Cepheus and mother of Andromeda Variable star gamma Cassiopeiae, an unstable blue giantDouble star eta Cassiopeiae
Multiple star iota Cassiopeiae
Open clusters M52 (NGC 7654) and NGC 457
CepheusKing Cepheus of Ethiopia, husband of Cassiopeia and father of Andromeda Variable star delta Cephei, a yellow-white supergiantVariable star mu Cephei, a red supergiant, also called the Garnet Star
Double stars beta Cephei, delta Cephei, xi Cephei and omicron Cephei
Coma BerenicesBerenice's HairNo bright stars Double star 24 Comae Berenicis
Coma Star cluster (also called Melotte 111)
Globular cluster M53 (NGC 5024)
Galaxy M64 (NGC 4826) sometimes called the Black Eye Galaxy
Corona BorealisThe Northern CrownAlphekka or Gemma (alpha Coronae Borealis)Double stars zeta Coronae Borealis and nu1 nu2 Coronae Borealis
Variable stars R Coronae Borealis which varies between Mag 6 and 15 and T Coronae Borealis (the Blaze Star), a recurrent nova
CygnusThe SwanDeneb, a white supergiant of Mag 1.2 and Sadr Double stars beta Cygni or Albireo, omicron1 Cygni and 61 Cygni
Variable stars chi Cygni and P Cygni
Planetary nebula NGC 6826, the Blinking Planetary
Nebulae NGC 6992 (part of the Veil Nebula), the Cygnus Rift or Northern Coalsack and NGC 7000, the North America Nebula
Black hole Cygnus X-1
Radio galaxy Cygnus A
DelphinusThe DolphinSualocin & Rotanev Double stars gamma Deplhini and Struve 2725
DracoThe Dragongamma Draconis or Etamin, mag 2.2 Double stars mu Draconis, nu Draconis, omicron Draconis, psi Draconis, 16-17 Draconis and 40-41 Draconis
Triple star 39 Draconis
Planetary nebula NGC6543
EquuleusThe Little HorseNo bright stars Double stars gamma Equulei and epsilon Equulei
GeminiThe TwinsCastor (alpha Geminorum) and Pollux (beta Geminorum) Alhena (gamma Geminorum)Double star 38 Geminorum
Variable stars eta Geminorum and zeta Geminorum
Open cluster M35 (NGC 2168)
Planetary nebula NGC 2392, also known as Eskimo or Clown Face Nebula
Geminid meteors
HerculesSon of ZeusVariable star Rasalgethi (alpha Herculis), a red giant varying between mag 3 and 4Double stars kappa Herculis, rho Herculis and 95 Herculis
Globular clusters M13 (NGC 6205), the brightest in the northern sky and M92 (NGC 6341)
LacertaThe LizardNo bright stars3 naked-eye novae observed in Lacerta since 1910
LeoThe LionRegulus (alpha Leonis), mag 1.4 and Denebola and Zosma Double stars Algieba (gamma Leonis) and tau Leonis
Triple star zeta Leonis
Variable star R Leonis
Galaxies M65 (NGC 3623), M66 (NGC 3627), M95 (NGC 3351) and M96 (NGC 3368)
Leonid meteors
Leo MinorThe Lesser LionNo bright stars A faint constellation containing nothing of note for the amateur astronomer
LynxThe LynxNo bright starsDouble stars 5 Lyncis, 12 Lyncis, 19 Lyncis and 38 Lyncis
Triple star 41 Lyncis
LyraThe LyreVega (alpha Lyrae) mag 0 Double star zeta Lyrae
Quadruple star epsilon Lyrae
Variable stars beta Lyrae and delta Lyrae, both double variables
Planetary nebula M57 (NGC 6720), the Ring Nebula
Lyrid meteors
MonocerosThe UnicornNo bright stars Double stars delta Monocerotis and epsilon (or 8) Monocerotis
Triple star beta Monocerotis
Variable star S Monocerotis
Open clusters M50 (NGC 2323), NGC 2232, NGC 2244 surrounded by the faint Rosette Nebula and NGC 2264 embedded in the Cone Nebula
OphiuchusThe Serpent Holderbeta Ophiuchi, an orange giant of mag 3
Barnard's Star (mag 9.5) is the next closest star to the Sun after the alpha Centauri system
Double stars tau Ophiuchi, 36 Ophiuchi and 70 Ophiuchi which is close to the solar system
Multiple star rho Ophiuchi
Variable star RS Ophiuchi, a recurrent nova
Open clusters IC 4665 and NGC 6633
Globular clusters M10 (NGC 6254) and M12 (NGC 6218)
OrionThe HunterBetelgeuse (alpha Orionis), a red supergiant variable star fluctuating between 0 and 1.3 mag
Rigel (beta Orionis), a blue-white supergiant of mag 0.2
Bellatrix (gamma Orionis), a blue giant of mag 1.6
Alnilam (epsilon Orionis), a blue supergiant of mag 1.7
Double stars Mintaka (delta Orionis), Alnitak (zeta Orionis), theta2 Orionis, iota Orionis and lambda Orionis
Multiple stars The Trapezium (theta1 Orionis) at the heart of the Orion Nebula and sigma Orionis
Open cluster NGC 1981
Nebulae M42 (NGC 1976) and M43 (NGC 1982) form the Great Orion Nebula; NGC 1977 and the Horseshoe Nebula
The Orionid meteors
PegasusThe Winged HorseMarkab (alpha Pegasi)
Scheat (beta Pegasi), a variable red giant
Algenib (gamma Pegasi)
Double stars Enif (epsilon Pegasi) and 1 Pegasi
Globular cluster M15 (NGC 7078), one of the best in the northern sky
PerseusA Greek heroalpha Persei, a white supergiant of mag 1.8
Algol (beta Persei), an eclipsing binary, varying between mag 2.1 and 3.4
Double stars epsilon Persei, a blue-white star of mag 3, zeta Persei, a 3rd mag blue supergiant and eta Persei
Variable stars Algol and rho Persei, a red giant of mag 3 - 4
Open clusters the Double Cluster (NGC 869 and NGC 884) and M34 (NGC 1039), a large 5th mag cluster
Perseid meteors
PiscesThe FishesBrightest stars of 4th mag Double stars Alrescha (alpha Piscium), zeta Piscium, rho and 94 Piscium, and psi Piscium
Variable star TX or 19 Piscium, a red giant of around mag 5
Galaxy M74 (NGC 628)
SagittaThe ArrowBrightest stars of 4th mag Double star zeta Sagittae
Variable stars S Sagittae and VZ Sagittae
Recurrent nova WZ Sagittae
Globular cluster M71 (NGC 6838)
SerpensThe SerpentNo bright stars Split into 2 separate halves on either side of Ophiuchus
Double stars beta Serpentis, delta Serpentis, theta Serpentis and nu Serpentis
Open cluster M16 (NGC 6611) surrounded by the Eagle Nebula
Globular cluster M5 (NGC 5904)
TaurusThe BullAldebaran (alpha Tauri), an orange giant of mag 0.9 and Alnath (beta Tauri)Double stars theta1 theta2 Tauri, kappa1 kappa2 Tauri, sigma1 sigma2 Tauri, phi Tauri and chi Tauri
Variable star lambda Tauri
Open clusters The Hyades and M45 The Pleiades
Nebula M1, the Crab Nebula
The Taurid meteors
TriangulumThe TriangleNo bright stars Double star iota Trianguli
Galaxy M33 (NGC 598)
Ursa MajorThe Great BearDubhe (alpha Ursae Majoris) and Merak (beta Ursae Majoris) both of 2nd magDouble star xi Ursae Majoris
Multiple star Mizar (zeta Ursae Majoris)
Galaxies M81 (NGC 3031), M82 (NGC 3034) and M101 (NGC 5457)
Ursa MinorThe Little BearPolaris (alpha Ursae Minoris), a 2nd magnitude supergiant within 1° of the north celestial poleStars, Kochab and Yildun. Double star gamma Ursae Minoris
VirgoThe VirginSpica (alpha Virginis), a blue- white star of mag 1Double stars gamma Virginis, theta Virginis and tau Virginis
Galaxies M49 (NGC 4472), M58 (NGC 4579), M60 (NGC 4649), M84 (NGC 4374), M87 (NGC 4486), also known as radio source Virgo A, and M104 (NGC 4594), the Sombrero Galaxy
VulpeculaThe FoxNo bright stars Double star alpha Vulpeculae
Open cluster The Coathanger, also known as Collinder 399 or Brocchi's Cluster
Planetary nebula M27 (NGC 6853), the Dumbbell Nebula

Constellations of the southern hemisphere

AC DEF GH IL MN OP RS TV

Name Meaning Major Stars Interesting features
AntliaThe Air PumpNo bright starsDouble star zeta1 and zeta2 Antliae
ApusThe Bird of ParadiseNo bright starsDouble star delta1 and delta2 Apodis
AquariusThe Water Carrierzeta Aquarii (double star) Planetary nebulae NGC 7009 and NGC 7293
Globular clusters M2 (NGC 7089) and M72 (NGC 6981)
Aquarid meteors
AraThe AltarNo bright starsOpen cluster NGC 6193
Globular cluster NGC 6397
CaelumThe ChiselNo bright starsDouble star gamma Caeli
Canis MajorThe Great DogSirius, alpha Canis Majoris
Mirzam, beta Canis Majoris
Wezen, delta Canis Majoris
Adhara, epsilon Canis Majoris
Open cluster NGC 2287
Compact cluster NGC 2362
CapricornusThe Sea GoatNo bright stars Double stars alpha Capricorni (Algedi or Giedi) and beta Capricorni
Globular cluster M30 (NGC 7099)
CarinaThe KeelCanopus (alpha Carinae), a white supergiant, Miaplacidus (beta Carinae), and epsilon Carinae, an orange giant starVariable star eta Carinae
Double star upsilon Carinae
Open clusters IC 2602 sometimes called the Southern Pleiades, NGC 2516, NGC 3114 and NGC 3532
Nebula NGC 3372 which contains the erratic variable star eta Carinae
CentaurusThe Centauralpha Centauri, a pair of yellow stars and beta Centauri (Hadar or Agena), a blue giantDouble star 3 Centauri
Planetary nebula NGC 3918, also called the Blue Planetary
Globular cluster omega Centauri (NGC 5139), the largest and brightest globular cluster in the sky
Galaxy NGC 5128, a strong source of radio emission
CetusThe WhaleDeneb Kaitos (beta Ceti), a yellow giant of mag 2 and tau Ceti which is very similar to the SunVariable star Mira (omicron Ceti), a red giant
Double stars Menkar (alpha Ceti) and gamma Ceti
Galaxy M77 (NGC 1068), a spiral galaxy
ChamaeleonThe ChameleonNo bright stars Double star delta Chamaeleontis
Planetary nebula NGC 3195
CircinusThe CompassesNo bright stars Double star alpha Circini
ColumbaThe DoveNo bright starsmu Columbae, a 5th Mag white star is one of 3 "runaway" stars that appear to be diverging from a point in Orion
Corona AustralisThe Southern CrownNo bright stars Double stars gamma Coronae Australis, kappa Coronae Australis and lambda Coronae Australis
Globular cluster NGC 6541
CorvusThe CrowNo bright starsDouble stars delta Corvi and Struve 1669
CraterThe CupNo bright starsContains nothing of particular interest to amateur astronomers
CruxThe Southern CrossAcrux (alpha Crucis) and beta Crucis MimosaDouble star mu Crucis
Open cluster NGC 4755, also known as the Jewel Box
The Coalsack Nebula
DoradoThe GoldfishVariable star beta Doradus Galaxy the Large Magellanic Cloud
Nebula NGC 2070 or Tarantula Nebula
EridanusThe Riveralpha Eridani or Achernar, mag 0.5, Cursa, mag 2 and epsilon Eridani, a yellow dwarf similar to the sunDouble stars theta Eridani and 32 Eridani
Triple star omicron Eridani
Planetary nebula NGC 1535
FornaxThe FurnaceNo bright stars Double star alpha Fornacis
GrusThe CraneAlnair (alpha Gruis), mag 1.7 Double stars delta Gruis and mu Gruis
HorologiumThe Pendulum ClockNo bright stars Variable stars R Horologii and TW Horologii
HydraThe Water SnakeAlphard (alpha Hydrae)Double stars epsilon Hydrae, 27 Hydrae, 54 Hydrae and 1 Hydrae
Variable stars R Hydrae and U Hydrae
Open cluster M48 (NGC 2548)
Planetary nebula NGC 3242
Globular cluster M68 (NGC 4590)
Galaxy M83 (NGC 5236), an 8th mag spiral galaxy
HydrusThe Lesser Water SnakeNo bright stars Double star pi Hydri
IndusThe IndianNo bright starsDouble star theta Indi
LepusThe HareNo bright starsDouble star gamma Leporis
Variable star R Leporis or Hind's Crimson Star
Open cluster NGC 2017
Globular cluster M79 (NGC 1904)
LibraThe ScalesNo bright stars Double stars Zubenelgenubi (alpha Librae) and mu Librae
Multiple star iota Librae
Variable star delta Librae, an eclipsing binary
Globular cluster NGC 5897
LupusThe WolfDouble stars epsilon Lupi and eta Lupi, both mag 3 Double stars kappa Lupi, mu Lupi, xi Lupi and pi Lupi
Open cluster NGC 5822
MensaThe Table MountainNo bright stars Part of the Large Magellanic Cloud strays into Mensa from Dorado
MicroscopiumThe MicroscopeNo bright stars Double star alpha Microscopii
MuscaThe FlyDouble star beta Muscae, mag 3 Double star theta Muscae
The dark Coalsack Nebula extends into Musca from Crux
NormaThe LevelNo bright starsDouble stars gamma1 gamma2 Normae, epsilon Normae and iota1 Normae
Open cluster NGC 6087
OctansThe OctantNo bright stars Double star lambda Octantis
The South Pole Star (sigma Octantis), a yellow-white giant of mag 5.4
PavoThe PeacockPeacock (alpha Pavonis), ablue-white star of mag 1.9Double star xi Pavonis
Variable star kappa Pavonis, a yellow-white supergiant, mag 3.9 - 4.8
PhoenixThe PhoenixNo bright stars>/td> Double stars beta Phoenicis, a pair of 4th mag yellow stars and zeta Phoenicis
Variable star zeta Phoenicis
PictorThe Painter's EaselNo bright stars beta Pictoris is a possible site for planetary formation
Piscis AustrinusThe Southern FishFomalhaut (alpha Piscis Austrinis), a white star of mag 1.2Double stars beta Piscis Austrini and gamma Piscis Austrini
Puppis
The Sternxi Puppis, a 3rd mag yellow supergiant
L2 Puppis, a red giant varaible of 3-6 mag
Double stars k Puppis and V puppis, an eclipsing binary
Open clusters M46 (NGC 2437), M47 (NGC 2422), NGC 2451 and NGC 2477
PyxisThe CompassBrightest stars are mag 4 Recurrent nova T Pyxidis
ReticulumThe NetBrightest star mag 3 Double star zeta Reticuli
SagittariusThe ArcherContains many Milky Way stars Multiple star beta Sagittarii
Variable stars W Sagittarii and X Sagittarii
Open clusters M23 (NGC 6494), M24, M25 (IC 4725) and NGC 6530
Globular cluster M22 (NGC 6656)
Nebulae M8 (NGC 6523) or Lagoon Nebula, M17 (NGC 6530), also known as the Omega Nebula, Swan Nebula and Horseshoe Nebula and M20 (NGC 6514) the Triffid Nebula
ScorpiusThe ScorpionAntares (alpha Scorpii), a variable red supergiant of mag 0.9 to 1.2: also Shaula (lambda scorpi)Double stars Graffias (beta Scorpii), zeta1 zeta2 Scorpii, mu1 mu2 Scorpii, nu Scorpii and omega1 omega2 Scorpii
Multiple star xi Scorpii, 2 pairs of stars gravitationally connected to each other
Open clusters M6 (NGC 6405) also called the Butterfly Cluster, M7 (NGC 6475) and NGC 6231
Globular cluster M4 (NGC 6121)
SculptorThe SculptorBrightest stars of 4th mag Contains the south galactic pole
Double stars epsilon Sculptoris and kappa1 Sculptoris
Variable star R Sculptoris, a red giant
Galaxies NGC 55 and NGC 253
ScutumThe ShieldContains Milky Way star fields Variable stars delta Scuti and R Scuti
Open cluster M11 (NGC 6705), the Wild Duck Cluster
SextansThe SextantNo bright stars Double star 17-18 Sextantis
Galaxy NGC 3115, the Spindle Galaxy
TelescopiumThe TelescopeNo bright stars Double star delta1 delta2 Telescopii
Triangulum AustraleThe Southern Trianglealpha, beta and gamma Trianguli Australis, the corners of the triangle are of mags 2 and 3Open cluster NGC 6025
TucanaThe ToucanFew bright stars Double stars delta Tucanae and kappa Tucanae
Multiple star beta Tucanae
Globular clusters 47 Tucanae (NGC 104), one of the best in the sky, and NGC 362
Galaxy, the Small Magellanic Cloud
VelaThe Sailsgamma Velorum, a multiple star, the brightest of which is 2nd mag and delta Velorum, a double star of mags 2 and 5Open clusters IC 2391 and NGC 2547
VolansThe Flying FishBrightest stars of 4th mag Double stars gamma Volantis and epsilon Volantis

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