Messier Objects.

The following list contains the objects seen in Messier's list of things to avoid when looking for comets.

Number Type of Object Constellation Location Other Names/Notes
M1
Supernova remnant Taurus Crab Nebula
M2
Globular star cluster Aquarius  
M3
Globular star cluster Canes Venatici  
M4
Globular star cluster Scorpius  
M5
Globular star cluster Serpens  
M6
Open star cluster Scorpius Butterfly Cluster
M7
Open star cluster Scorpius The Scorpion's Tail, Ptolemy's Cluster
M8
Emission nebula Sagittarius Lagoon Nebula
M9
Globular star cluster Ophiuchus  
M10
Globular star cluster Ophiuchus  
M11
Open star cluster Scutum Wild Duck Cluster
M12
Globular star cluster Ophiuchus  
M13
Globular star cluster Hercules Great Hercules Cluster
M14
Globular star cluster Ophiuchus  
M15
Globular star cluster Pegasus  
M16
Emission nebula Serpens Eagle Nebula
M17
Emission nebula Sagittarius Omega, Swan, Horseshoe, or Lobster Nebula
M18
Open star cluster Sagittarius  
M19
Globular star cluster Ophiuchus  
M20
Emission/Reflection nebula Sagittarius Trifid Nebula
M21
Open star cluster Sagittarius  
M22
Globular star cluster Sagittarius  
M23
Open star cluster Sagittarius  
M24
Star cloud Sagittarius Is actually a large cloud of stars in part of the Milky Way.
M25
Open star cluster Sagittarius  
M26
Open star cluster Scutum  
M27
Planetary nebula Vulpecula Dumbbell Nebula
M28
Globular star cluster Sagittarius  
M29
Open star cluster Cygnus  
M30
Globular star cluster Capricornus  
M31
Spiral galaxy Andromeda Andromeda Galaxy
M32
Elliptical galaxy Andromeda Satellite of the Andromeda Galaxy
M33
Spiral galaxy Triangulum Triangulum or Pinwheel Galaxy
M34
Open star cluster Perseus  
M35
Open star cluster Gemini  
M36
Open star cluster Auriga  
M37
Open star cluster Auriga  
M38
Open star cluster Auriga  
M39
Open star cluster Cygnus  
M40
Double star Ursa Major  
M41
Open star cluster Canis Major  
M42
Emission/Reflection nebula Orion Great Orion Nebula
M43
Emission/Relflection nebula Orion DeMairan's Nebula, part of the Orion Nebula
M44
Open star cluster Cancer Beehive Cluster, Praesepe
M45
Open star cluster Taurus Pleiades, Seven Sisters, Subaru
M46
Open star cluster Puppis  
M47
Open star cluster Puppis  
M48
Open star cluster Hydra  
M49
Elliptical galaxy Virgo  
M50
Open star cluster Monoceros  
M51
Spiral galaxy Canes Venatici Whirlpool Galaxy
M52
Open star cluster Cassiopeia  
M53
Globular star cluster Coma Berenices  
M54
Globular star cluster Sagittarius  
M55
Globular star cluster Sagittarius  
M56
Globular star cluster Lyra  
M57
Planetary nebula Lyra Ring Nebula
M58
Spiral galaxy Virgo  
M59
Elliptical galaxy Virgo  
M60
Elliptical galaxy Virgo  
M61
Spiral galaxy Virgo  
M62
Globular star cluster Ophiuchus  
M63
Spiral galaxy Canes Venatici Sunflower Galaxy
M64
Spiral galaxy Coma Berenices Blackeye or Sleeping Beauty Galaxy
M65
Spiral galaxy Leo  
M66
Spiral galaxy Leo  
M67
Open star cluster Cancer  
M68
Globular star cluster Hydra  
M69
Globular star cluster Sagittarius  
M70
Globular star cluster Sagittarius  
M71
Globular star cluster Sagitta  
M72
Globular star cluster Aquarius  
M73
Asterism Aquarius Consists of 4 dim stars.
M74
Spiral galaxy Pisces  
M75
Globular star cluster Sagittarius  
M76
Planetary nebula Perseus Little Dumbbell, Cork, Butterfly, or Barbell Nebula
M77
Spiral galaxy Cetus  
M78
Reflection nebula Orion  
M79
Globular star cluster Lepus  
M80
Globular star cluster Scorpius  
M81
Spiral galaxy Ursa Major Bode's Galaxy
M82
Peculiar galaxy Ursa Major Cigar Galaxy
M83
Spiral galaxy Hydra Southern Pinwheel Galaxy
M84
Elliptical galaxy Virgo  
M85
Elliptical galaxy Coma Berenices  
M86
Elliptical galaxy Virgo  
M87
Elliptical galaxy Virgo Virgo A
M88
Spiral galaxy Coma Berenices  
M89
Elliptical galaxy Virgo  
M90
Spiral galaxy Virgo  
M91
Barred spiral galaxy Coma Berenices  
M92
Globular star cluster Hercules  
M93
Open star cluster Puppis  
M94
Spiral galaxy Canes Venatici  
M95
Barred spiral galaxy Leo  
M96
Spiral galaxy Leo  
M97
Planetary nebula Ursa Major Owl Nebula
M98
Spiral galaxy Coma Berenices  
M99
Spiral galaxy Coma Berenices  
M100
Spiral galaxy Coma Berenices  
M101
Spiral galaxy Ursa Major Pinwheel Galaxy
M102
Galaxy Draco (?) Possibly a duplication of M101 or NGC 5866 (Spindle Galaxy).
M103
Open star cluster Cassiopeia  
M104
Spiral galaxy Virgo Sombrero Galaxy
M105
Elliptical galaxy Leo  
M106
Spiral galaxy Canes Venatici  
M107
Globular star cluster Ophiuchus  
M108
Spiral galaxy Ursa Major  
M109
Barred spiral galaxy Ursa Major  
M110
Elliptical galaxy Andromeda Satellite galaxy of Andromeda Galaxy