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