Open and Globular Clusters Listed by Season


Click on any object name below to learn more.

Winter

Object NameConstellationMagnitudeTypeKnown As
Messier 34Perseus+5.19Open Cluster
Messier 35Gemini+5.51Open Cluster
Messier 36Auriga+6.00Open ClusterPinwheel
Messier 37Auriga+5.59Open ClusterStarfish
Messier 38Auriga+6.40Open Cluster
Messier 41Canis Major+4.50Open ClusterLittle Beehive
Messier 45Taurus+1.50Open ClusterPleiades
Messier 46Puppis+6.00Open Cluster
Messier 47Puppis+4.40Open Cluster
Messier 48Hydra+5.80Open Cluster
Messier 50Monoceros+5.90Open ClusterHeart-Shaped
Messier 52Cassiopeia+6.90Open ClusterScorpion
Messier 67Cancer+6.90Globular ClusterKing Cobra
NGC 1502Camelopardalis+6.90Open Cluster
NGC 1513Perseus+8.39Open Cluster
NGC 1528Perseus+6.40Open Cluster
NGC 1545Perseus+6.19Open Cluster
NGC 1758Taurus~+6Open Cluster
NGC 2129Gemini+6.70Open Cluster
NGC 2169Orion+5.9Open Cluster“37” Cluster
NGC 2232Monoceros+4.20Open Cluster
NGC 2244Monoceros+4.80Open Cluster
NGC 2264Monoceros+4.09Open ClusterChristmas Tree
NGC 2281Auriga+5.40Open Cluster
NGC 2353Monoceros+7.10Open ClusterAvery’s Island
NGC 2360Canis Major+7.19Open ClusterCaroline’s Cluster
NGC 2419Lynx+10.4Globular ClusterIntergalactic Wanderer
NGC 2451Puppis+3.00Open ClusterStinging Scorpion
NGC 2506Monoceros+7.60Open ClusterCaldwell 54
IC 348 (Collinder 41)Perseus+7.30Open Cluster
Caldwell 41Taurus+0.50Open ClusterHyades

Spring

Object NameConstellationMagnitudeTypeKnown As
Coma ClusterComa Berenices+1.79Open ClusterMelotte 111
Messier 3Canes Venatici+6.30Globular Cluster
Messier 5Serpens+5.70Globular Cluster
Messier 44Cancer+3.09Open ClusterBeehive
Struve 1659Corvus+6.61AsterismStargate

Summer

Object NameConstellationMagnitudeTypeKnown As
Brocchi’s ClusterVulpecula+3.6AsterismCoathanger
IC 4665Ophiuchus+4.20Open Cluster
IC 4756Serpens+4.60Open ClusterGraff’s Cluster
IC 4996Cygnus+6.80Open Cluster
Messier 4Scorpius+5.63Globular ClusterCat’s Eye
Messier 7Scorpius+3.3Open ClusterPtolemy’s Cluster
Messier 9Ophiuchus+7.71Globular Cluster
Messier 10Ophiuchus+6.60Globular Cluster
Messier 12Ophiuchus+6.70Globular ClusterGumball
Messier 13Hercules+5.80Globular ClusterGreat Hercules
Messier 14Ophiuchus+7.60Globular Cluster
Messier 21Sagittarius+6.50Open Cluster
Messier 22Sagittarius+5.10Globular Cluster
Messier 23Sagittarius+5.50Open Cluster
Messier 25Sagittarius+4.60Open Cluster
Messier 26Scutum+8.09Open Cluster
Messier 29Cygnus+6.60Open Cluster
Messier 39Cygnus+4.59Open Cluster
Messier 71Sagitta+8.20Globular Cluster
Messier 75Sagittarius+8.50Globular Cluster
Messier 92Hercules+6.42Globular Cluster
NGC 6229Hercules+9.39Globular Cluster
NGC 6356Ophiuchus+8.25Globular Cluster
NGC 6633Ophiuchus+4.60Open ClusterCaptain Hook
NGC 6664Scutum+7.80Open Cluster
NGC 6709Aquila+6.69Open ClusterFlying Unicorn
NGC 6811Cygnus+6.80Open ClusterHole in Cluster
NGC 6866Cygnus+7.60Open ClusterKite Cluster
NGC 6871Cygnus+5.19Open Cluster
NGC 6883Cygnus+8.00Open ClusterAsteroids Cluster
NGC 6910Cygnus+7.40Open Cluster
NGC 6934Delphinus+8.82Globular ClusterCaldwell 47
NGC 7006Delphinus+10.6Globular ClusterCaldwell 42
NGC 7039Cygnus+7.59Open Cluster
NGC 7063Cygnus+7.00Open Cluster

Autumn

Object NameConstellationMagnitudeTypeKnown As
Messier 2Aquarius+6.5Globular Cluster
Messier 11Scutum+5.8Open ClusterWild Duck
Messier 15Pegasus+6.9Globular Cluster
Messier 30Capricornus+7.7Globular ClusterJellyfish
Messier 56Lyra+8.3Globular Cluster
Messier 73Aquarius+8.9Asterism
Messier 103Cassiopeia+7.4Open Cluster
NGC 225Cassiopeia+7.0Open ClusterSailboat
NGC 457Cassiopeia+6.4Open ClusterOwl Cluster
NGC 559Cassiopeia+9.5Open ClusterCaldwell 8
NGC 663Cassiopeia+7.1Open ClusterCaldwell 10
NGC 752Andromeda+5.7Open ClusterCaldwell 28
NGC 869Perseus+6.4Open ClusterCaldwell 14
NGC 884Perseus+6.4Open ClusterCaldwell 14
NGC 1027Cassiopeia+6.7Open Cluster
NGC 6819Cygnus+7.3Open ClusterFoxhead
NGC 6823Vulpecula+7.1Open Cluster
NGC 6830Vulpecula+7.9Open Cluster
NGC 6885Vulpecula+8.1Open Cluster
NGC 6940Vulpecula+6.3Open Cluster
NGC 7160Cepheus+6.1Open ClusterHerschel 383
NGC 7243Lacerta+6.4Open ClusterCaldwell 16
NGC 7281Cepheus+8.0Open Cluster
NGC 7510Perseus+7.9Open Cluster
NGC 7686Andromeda+5.6Open Cluster
NGC 7789Cassiopeia+6.7Open ClusterCaroline’s Rose

A majority of the astronomical objects on this page have alternative names. For instance, the star Miriam is also named Eta Persei. If you don’t find an object by browsing, try searching below by other classifications, such as SAO, HD, IC, or NGC numbers.