Constellations by Month - The Night Sky Atlas

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The 88 constellations defined by the International Astronomical Union are listed below, grouped by month of best visibility. Each constellation has links to the atlas chart and object counts in 4 data tables for: principal stars, binary and multiple stars, revised NGC catalog objects, and revised IC catalog objects.

See also on this website:
           Constellations by name
           The Zodiac

Latin Name Possesive Abbrev. English Names RA
hours
DEC
degrees
Principal
Stars
Multiple
Stars
NGC
Objects
IC
Objects
January:  Visible in September before dawn, to May after dusk
Cancer Cancri Cnc The Crab 8.1h 18.1° 70 49 116 101
Canis Minor Canis Minoris CMi The Small Dog or The Lesser Dog 7.5h 7.3° 13 12 15 3
Carina Carinae Car The Keel of The Ship Argo 8.2h -57.6° 11 59 44 14
Gemini Geminorum Gem The Twins 7.0h 21.8° 68 54 54 42
Lynx Lyncis Lyn The Lynx 7.7h 47.2° 36 24 100 27
Puppis Puppis Pup The Stern of The Ship Argo 7.5h -32.8° 27 89 51 6
Pyxis Pyxidis Pyx The Mariner´s Compass 8.8h -24.2° 10 19 12 1
Vela Velorum Vel The Sail of The Ship Argo 8.9h -47.8° 8 62 39 3
Volans Volantis Vol The Flying Fish 7.5h -69.6° 12 12 13 1
February:  Visible in October before dawn, to June after dusk
Antlia Antliae Ant The Air Pump 10.2h -31.4° 10 18 63 35
Chamaeleon Chamaeleontis Cha The Chameleon 10.5h -77.5° 15 7 4 2
Hydra Hydrae Hya The Watersnake (female) 10.7h -20.4° 64 72 217 115
Leo Leonis Leo The Lion 10.7h 16.2° 83 54 378 334
Leo Minor Leonis Minoris LMi The Lesser Lion 10.3h 33.1° 30 9 60 45
Sextans Sextantis Sex The Sextant 10.3h -2.0° 21 8 60 41
March:  Visible in November before dawn, to July after dusk
Centaurus Centauri Cen The Centaur 12.8h -48.6° 32 88 169 46
Coma Berenices Comae Berenices Com Berenice´s Hair 12.6h 25.4° 40 24 293 546
Corvus Corvi Crv The Crow or The Raven 12.4h -19.2° 9 9 32 15
Crater Crateris Crt The Cup or The Beaker 11.2h -14.1° 12 10 84 23
Crux Crucis Cru The Southern Cross 12.3h -59.5° 16 16 8 0
Musca Muscae Mus The Southern Fly 12.8h -67.3° 13 15 6 3
Ursa Major Ursae Majoris UMa The Big Dipper or The Great Bear 11.4h 50.6° 82 55 407 85
April:  Visible in December before dawn, to August after dusk
Bootes Bootis Boo The Herdsman or The Bear Driver 14.7h 36.0° 59 49 264 226
Canes Venatici Canum Venaticorum CVn The Hunting Dogs 13.1h 38.1° 21 12 215 194
Circinus Circini Cir The Drawing Compass 14.6h -62.9° 8 14 5 0
Virgo Virginis Vir The Maiden or The Virgin 13.1h 0.1° 88 61 637 382
May:  Visible in January before dawn, to September after dusk
Apus Apodus Aps The Bird of Paradise 16.2h -72.8° 12 13 8 19
Corona Borealis Corona Borealis CrB The Northern Crown 15.8h 31.8° 24 23 40 18
Draco Draconis Dra The Dragon 16.4h 66.7° 73 67 287 39
Libra Librae Lib The Balance Scales 15.1h -14.3° 42 29 59 13
Lupus Lupi Lup The Wolf 15.2h -44.7° 33 55 17 11
Norma Normae Nor The Carpenter´s Square 15.7h -50.5° 12 14 14 0
Scorpius Scorpii Sco The Scorpion 16.5h -27.1° 41 71 39 12
Serpens Caput Serpentis Ser The Serpent´s Head 15.8h 10.7° 53 32 81 65
Triangulum Australe Trianguli Australis TrA The Southern Triangle 16.0h -64.4° 11 12 6 4
Ursa Minor Ursae Minoris UMi The Little Dipper or The Little Bear 15.9h 78.6° 16 10 36 14
June:  Visible in February before dawn, to October after dusk
Ara Arae Ara The Altar 17.0h -59.5° 18 28 17 7
Corona Australis Corona Australis CrA The Southern Crown 18.4h -42.1° 14 11 6 3
Hercules Herculis Her The Strong Man or The Kneeling Man 17.3h 25.5° 97 90 209 68
Lyra Lyrae Lyr The Lyre 18.9h 35.3° 23 32 28 4
Ophiucus Ophiuchi Oph The Serpent Wrestler or The Serpent Bearer 17.3h -5.0° 57 66 39 12
Sagittarius Sagittarii Sgr The Archer 18.9h -27.2° 65 77 73 25
Scutum Scuti Sct The Shield 18.6h -9.3° 7 10 10 2
Serpens Cauda Serpentis Ser The Serpent´s Tail 18.1h -3.6° 53 32 81 65
July:  Visible in March before dawn, to November after dusk
Aquila Aquilae Aql The Eagle 19.4h 4.7° 62 52 27 3
Capricornus Capricorni Cap The Sea Goat 20.9h -17.8° 48 29 24 27
Cygnus Cygni Cyg The Swan 20.4h 43.9° 82 120 52 21
Delphinus Delphini Del The Dolphin 20.6h 11.3° 19 19 21 4
Microscopium Microscopii Mic The Microscope 20.9h -36.8° 11 8 11 12
Pavo Pavonis Pav The Peacock 19.1h -64.0° 24 22 50 231
Sagitta Sagittae Sge The Arrow 19.6h 18.6° 16 12 3 1
Telescopium Telescopii Tel The Telescope 19.2h -50.1° 14 7 40 83
Vulpecula Vulpeculae Vul The Little Fox or The Fox and The Goose 20.3h 23.6° 33 20 15 4
August:  Visible in April before dawn, to December after dusk
Aquarius Aquarii Aqr The Water Carrier 21.9h -5.5° 91 49 129 92
Cepheus Cephei Cep The King 22.7h 69.8° 35 45 28 12
Equuleus Equulei Equ The Little Horse 21.0h 8.5° 9 9 3 9
Grus Gruis Gru The Crane 22.3h -45.6° 26 23 59 22
Indus Indi Ind The Indian 21.6h -59.2° 17 7 47 42
Lacerta Lacertae Lac The Lizard 22.3h 45.1° 16 24 25 9
Pegasus Pegasi Peg The Winged Horse or The Flying Horse 22.5h 19.4° 86 51 298 88
Pisces Austrinus Piscis Austrini PsA The Southern Fish 22.0h -29.8° 21 11 39 16
September:  Visible in May before dawn, to January after dusk
Sculptor Sculptoris Scl The Sculptor 24.0h -32.9° 18 16 65 31
Tucana Tucanae Tuc The Toucan 23.8h -67.5° 17 13 61 61
October:  Visible in June before dawn, to February after dusk
Andromeda Andromedae And The Chained Lady or The Princess 0.6h 38.6° 64 62 148 36
Cassiopeia Cassiopeiae Cas The Queen or The Lady in the Chair 0.8h 56.9° 52 57 35 15
Octans Octantis Oct The Octant 0.1h -82.3° 27 10 10 8
Pisces Piscium Psc The Fish (plural) 0.4h 11.6° 95 47 270 143
November:  Visible in July before dawn, to March after dusk
Aries Arietis Ari The Ram 2.5h 22.0° 62 28 78 64
Cetus Ceti Cet The Whale or The Sea Monster 1.7h -6.7° 78 56 383 215
Fornax Fornacis For The Furnace 2.8h -33.6° 27 11 72 34
Hydrus Hydri Hyi The Watersnake (male) 2.3h -71.9° 18 5 16 1
Perseus Persei Per The Hero or The Rescuer of Andromeda 2.7h 47.4° 59 59 84 42
Phoenix Phoenicis Phe The Phoenix 1.2h -50.0° 26 15 44 20
Triangulum Trianguli Tri The Triangle 2.1h 31.4° 16 6 71 31
December:  Visible in August before dawn, to April after dusk
Auriga Aurigae Aur The Charioteer 5.7h 41.0° 64 44 23 6
Caelum Caeli Cae The Burin or The Chisel 4.6h -38.1° 6 4 15 2
Camelopardalis Camelopardalis Cam The Giraffe 6.8h 70.4° 34 50 49 25
Canis Major Canis Majoris CMa The Large Dog or The Greater Dog 6.6h -24.7° 31 51 36 3
Columba Columbae Col Noah´s Dove 5.9h -35.6° 17 16 15 5
Dorado Doradus Dor The Gold Fish 4.8h -57.6° 14 8 295 31
Eridanus Eridani Eri The River Eridanus 3.4h -33.1° 73 56 315 86
Horologium Horologii Hor The Pendulum Clock 3.3h -51.4° 10 5 23 61
Lepus Leporis Lep The Hare 5.3h -17.2° 19 19 30 21
Mensa Mensae Men The Table Mountain 5.6h -77.5° 16 3 70 12
Monoceros Monocerotis Mon The Unicorn 6.8h 1.4° 28 39 50 5
Orion Orionis Ori The Hunter or The Giant 5.6h 9.7° 78 89 54 22
Pictor Pictoris Pic The Painter´s Easel 5.7h -54.1° 15 12 19 0
Reticulum Reticuli Ret The Net or The Reticle 3.9h -58.2° 11 12 12 26
Taurus Tauri Tau The Bull 4.7h 16.7° 122 112 36 38

The night sky atlas creates images of any part of the night sky, allowing easy location of any object. Detailed chart images show all stars visible to the naked eye, the constellations, Messier objects, and names of the brightest stars. Data sources: Bright Star Catalog from the Astronomical Data Center, star names list from Steven Gibson, all-sky Milky Way image by Axel Mellinger. The data used in this product, in whole or in part, is used with permission of The NGC/IC Project LLC. Many thanks go to those who maintain and make available their astronomy datasets without which this sky atlas would not have been possible. Permission for any use of these chart images is granted, provided that the original website address remains visible on all images. Enjoy!