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Object catalog

Messier objects, curated bright stars, and beginner-friendly double stars — all searchable offline.

New — Sky Library. Beginner-friendly guides to planets, stars, and deep-sky highlights, with realistic eyepiece expectations.

177 objects

Crab NebulaM1
Supernova remnant · Taurus · mag 8.4
SNR
M2M2
Globular cluster · Aquarius · mag 6.3
Globular
M3M3
Globular cluster · Canes Venatici · mag 6.2
Globular
M4M4
Globular cluster · Scorpius · mag 5.6
Globular
M5M5
Globular cluster · Serpens · mag 5.6
Globular
Butterfly ClusterM6
Open cluster · Scorpius · mag 4.2
Cluster
Ptolemy ClusterM7
Open cluster · Scorpius · mag 3.3
Cluster
Lagoon NebulaM8
Emission nebula · Sagittarius · mag 6.0
Nebula
M9M9
Globular cluster · Ophiuchus · mag 7.7
Globular
M10M10
Globular cluster · Ophiuchus · mag 6.6
Globular
Wild Duck ClusterM11
Open cluster · Scutum · mag 5.8
Cluster
M12M12
Globular cluster · Ophiuchus · mag 6.7
Globular
Hercules ClusterM13
Globular cluster · Hercules · mag 5.8
Globular
M14M14
Globular cluster · Ophiuchus · mag 7.6
Globular
M15M15
Globular cluster · Pegasus · mag 6.2
Globular
Eagle NebulaM16
Emission nebula · Serpens · mag 6.0
Nebula
Omega NebulaM17
Emission nebula · Sagittarius · mag 6.0
Nebula
M18M18
Open cluster · Sagittarius · mag 7.5
Cluster
M19M19
Globular cluster · Ophiuchus · mag 6.8
Globular
Trifid NebulaM20
Emission nebula · Sagittarius · mag 6.3
Nebula
M21M21
Open cluster · Sagittarius · mag 6.5
Cluster
Sagittarius ClusterM22
Globular cluster · Sagittarius · mag 5.1
Globular
M23M23
Open cluster · Sagittarius · mag 5.5
Cluster
Sagittarius Star CloudM24
Open cluster · Sagittarius · mag 4.6
Cluster
M25M25
Open cluster · Sagittarius · mag 4.6
Cluster
M26M26
Open cluster · Scutum · mag 8.0
Cluster
Dumbbell NebulaM27
Planetary nebula · Vulpecula · mag 7.5
PN
M28M28
Globular cluster · Sagittarius · mag 6.8
Globular
M29M29
Open cluster · Cygnus · mag 6.6
Cluster
M30M30
Globular cluster · Capricornus · mag 7.2
Globular
Andromeda GalaxyM31
Galaxy · Andromeda · mag 3.4
Galaxy
M32M32
Galaxy · Andromeda · mag 8.1
Galaxy
Triangulum GalaxyM33
Galaxy · Triangulum · mag 5.7
Galaxy
M34M34
Open cluster · Perseus · mag 5.2
Cluster
M35M35
Open cluster · Gemini · mag 5.1
Cluster
M36M36
Open cluster · Auriga · mag 6.0
Cluster
M37M37
Open cluster · Auriga · mag 5.6
Cluster
M38M38
Open cluster · Auriga · mag 6.4
Cluster
M39M39
Open cluster · Cygnus · mag 4.6
Cluster
Winnecke 4
Double star · Ursa Major · mag 9.7
Double
M41M41
Open cluster · Canis Major · mag 4.5
Cluster
Orion NebulaM42
Emission nebula · Orion · mag 4.0
Nebula
De Mairan's NebulaM43
Emission nebula · Orion · mag 9.0
Nebula
Beehive ClusterM44
Open cluster · Cancer · mag 3.7
Cluster
PleiadesM45
Open cluster · Taurus · mag 1.6
Cluster
M46M46
Open cluster · Puppis · mag 6.1
Cluster
M47M47
Open cluster · Puppis · mag 4.4
Cluster
M48M48
Open cluster · Hydra · mag 5.8
Cluster
M49M49
Galaxy · Virgo · mag 8.4
Galaxy
M50M50
Open cluster · Monoceros · mag 5.9
Cluster
Whirlpool GalaxyM51
Galaxy · Canes Venatici · mag 8.4
Galaxy
M52M52
Open cluster · Cassiopeia · mag 6.9
Cluster
M53M53
Globular cluster · Coma Berenices · mag 7.7
Globular
M54M54
Globular cluster · Sagittarius · mag 7.6
Globular
M55M55
Globular cluster · Sagittarius · mag 7.0
Globular
M56M56
Globular cluster · Lyra · mag 8.3
Globular
Ring NebulaM57
Planetary nebula · Lyra · mag 8.8
PN
M58M58
Galaxy · Virgo · mag 9.7
Galaxy
M59M59
Galaxy · Virgo · mag 9.6
Galaxy
M60M60
Galaxy · Virgo · mag 8.8
Galaxy
M61M61
Galaxy · Virgo · mag 9.7
Galaxy
M62M62
Globular cluster · Ophiuchus · mag 6.5
Globular
Sunflower GalaxyM63
Galaxy · Canes Venatici · mag 8.6
Galaxy
Black Eye GalaxyM64
Galaxy · Coma Berenices · mag 8.5
Galaxy
M65M65
Galaxy · Leo · mag 9.3
Galaxy
M66M66
Galaxy · Leo · mag 8.9
Galaxy
M67M67
Open cluster · Cancer · mag 6.9
Cluster
M68M68
Globular cluster · Hydra · mag 7.8
Globular
M69M69
Globular cluster · Sagittarius · mag 7.6
Globular
M70M70
Globular cluster · Sagittarius · mag 7.9
Globular
M71M71
Globular cluster · Sagitta · mag 8.2
Globular
M72M72
Globular cluster · Aquarius · mag 9.3
Globular
M73M73
Open cluster · Aquarius · mag 8.9
Cluster
M74M74
Galaxy · Pisces · mag 9.4
Galaxy
M75M75
Globular cluster · Sagittarius · mag 8.5
Globular
Little Dumbbell NebulaM76
Planetary nebula · Perseus · mag 10.1
PN
Cetus AM77
Galaxy · Cetus · mag 8.9
Galaxy
M78M78
Reflection nebula · Orion · mag 8.3
Nebula
M79M79
Globular cluster · Lepus · mag 8.6
Globular
M80M80
Globular cluster · Scorpius · mag 7.9
Globular
Bode's GalaxyM81
Galaxy · Ursa Major · mag 6.9
Galaxy
Cigar GalaxyM82
Galaxy · Ursa Major · mag 8.4
Galaxy
Southern PinwheelM83
Galaxy · Hydra · mag 7.5
Galaxy
M84M84
Galaxy · Virgo · mag 9.1
Galaxy
M85M85
Galaxy · Coma Berenices · mag 9.1
Galaxy
M86M86
Galaxy · Virgo · mag 8.9
Galaxy
Virgo AM87
Galaxy · Virgo · mag 8.6
Galaxy
M88M88
Galaxy · Coma Berenices · mag 9.6
Galaxy
M89M89
Galaxy · Virgo · mag 9.8
Galaxy
M90M90
Galaxy · Virgo · mag 9.5
Galaxy
M91M91
Galaxy · Coma Berenices · mag 10.2
Galaxy
M92M92
Globular cluster · Hercules · mag 6.4
Globular
M93M93
Open cluster · Puppis · mag 6.2
Cluster
M94M94
Galaxy · Canes Venatici · mag 8.2
Galaxy
M95M95
Galaxy · Leo · mag 9.7
Galaxy
M96M96
Galaxy · Leo · mag 9.2
Galaxy
Owl NebulaM97
Planetary nebula · Ursa Major · mag 9.9
PN
M98M98
Galaxy · Coma Berenices · mag 10.1
Galaxy
M99M99
Galaxy · Coma Berenices · mag 9.9
Galaxy
M100M100
Galaxy · Coma Berenices · mag 9.3
Galaxy
Pinwheel GalaxyM101
Galaxy · Ursa Major · mag 7.9
Galaxy
M102M102
Galaxy · Draco · mag 9.9
Galaxy
M103M103
Open cluster · Cassiopeia · mag 7.4
Cluster
Sombrero GalaxyM104
Galaxy · Virgo · mag 8.0
Galaxy
M105M105
Galaxy · Leo · mag 9.3
Galaxy
M106M106
Galaxy · Canes Venatici · mag 8.4
Galaxy
M107M107
Globular cluster · Ophiuchus · mag 7.9
Globular
M108M108
Galaxy · Ursa Major · mag 10.0
Galaxy
M109M109
Galaxy · Ursa Major · mag 9.8
Galaxy
M110M110
Galaxy · Andromeda · mag 8.1
Galaxy
Sirius
Star · Canis Major · mag -1.5
Star
Canopus
Star · Carina · mag -0.7
Star
Alpha Centauri
Star · Centaurus · mag -0.3
Star
Arcturus
Star · Bootes · mag -0.1
Star
Vega
Star · Lyra · mag 0.0
Star
Capella
Star · Auriga · mag 0.1
Star
Rigel
Star · Orion · mag 0.1
Star
Procyon
Star · Canis Minor · mag 0.4
Star
Betelgeuse
Star · Orion · mag 0.5
Star
Achernar
Star · Eridanus · mag 0.5
Star
Hadar
Star · Centaurus · mag 0.6
Star
Altair
Star · Aquila · mag 0.8
Star
Acrux
Star · Crux · mag 0.8
Star
Aldebaran
Star · Taurus · mag 0.8
Star
Antares
Star · Scorpius · mag 1.1
Star
Spica
Star · Virgo · mag 1.0
Star
Pollux
Star · Gemini · mag 1.1
Star
Fomalhaut
Star · Piscis Austrinus · mag 1.2
Star
Deneb
Star · Cygnus · mag 1.3
Star
Regulus
Star · Leo · mag 1.4
Star
Mimosa
Star · Crux · mag 1.3
Star
Adhara
Star · Canis Major · mag 1.5
Star
Castor
Star · Gemini · mag 1.6
Star
Shaula
Star · Scorpius · mag 1.6
Star
Bellatrix
Star · Orion · mag 1.6
Star
Alnath
Star · Taurus · mag 1.6
Star
Miaplacidus
Star · Carina · mag 1.7
Star
Alnilam
Star · Orion · mag 1.7
Star
Alnair
Star · Grus · mag 1.7
Star
Alnitak
Star · Orion · mag 1.8
Star
Regor
Star · Vela · mag 1.8
Star
Alioth
Star · Ursa Major · mag 1.8
Star
Dubhe
Star · Ursa Major · mag 1.8
Star
Mirfak
Star · Perseus · mag 1.8
Star
Wezen
Star · Canis Major · mag 1.8
Star
Sargas
Star · Scorpius · mag 1.9
Star
Kaus Australis
Star · Sagittarius · mag 1.9
Star
Avior
Star · Carina · mag 1.9
Star
Alkaid
Star · Ursa Major · mag 1.9
Star
Menkalinan
Star · Auriga · mag 1.9
Star
Atria
Star · Triangulum Australe · mag 1.9
Star
Polaris
Star · Ursa Minor · mag 2.0
Star
Alhena
Star · Gemini · mag 1.9
Star
Peacock
Star · Pavo · mag 1.9
Star
Mirzam
Star · Canis Major · mag 2.0
Star
Alphard
Star · Hydra · mag 2.0
Star
Hamal
Star · Aries · mag 2.0
Star
Diphda
Star · Cetus · mag 2.0
Star
Mizar
Star · Ursa Major · mag 2.2
Star
Algol
Star · Perseus · mag 2.1
Star
Denebola
Star · Leo · mag 2.1
Star
Algieba
Star · Leo · mag 2.0
Star
Albireo
Double star · Cygnus · mag 3.4
Double
Mizar & Alcor
Double star · Ursa Major · mag 2.2
Double
Mizar A/B
Double star · Ursa Major · mag 2.3
Double
Castor (double)
Double star · Gemini · mag 1.9
Double
Epsilon Lyrae
Double star · Lyra · mag 5.1
Double
Almach
Double star · Andromeda · mag 2.3
Double
Polaris (double)
Double star · Ursa Minor · mag 2.0
Double
Iota Cancri
Double star · Cancer · mag 4.0
Double
Cor Caroli
Double star · Canes Venatici · mag 2.9
Double
Izar
Double star · Bootes · mag 2.7
Double
Alcyone
Double star · Taurus · mag 2.9
Double
Porrima
Double star · Virgo · mag 3.5
Double
Rigel (double)
Double star · Orion · mag 0.1
Double
Acrux (double)
Double star · Crux · mag 1.3
Double
Eta Cassiopeiae
Double star · Cassiopeia · mag 3.4
Double