Caldwell catalogue

Sir Patrick Alfred Caldwell-Moore was an English amateur astronomer known for studying the Moon and creating the Caldwell Catalogue, an astronomical catalog of 109 star clusters, nebulae, and galaxies. Caldwell-Moore designed his catalog to complement Messier’s. Caldwell features some notable Northern Hemisphere objects that Messier does not include and adds deep-sky objects from the Southern Hemisphere. Sky & Telescope magazine first published the catalog in 1995. Taken together, Messier and Caldwell make an excellent “bucket list” of must-see deep-sky objects for amateur astronomers around the world.

  Star cluster   Nebula   Galaxy

Caldwell number NGC number Common name Picture Object type Distance to object in thousands of light years Constellation Apparent magnitude
C1 NGC 188 Open Cluster 4.8 Cepheus 8.1
C2 NGC 40 Bow-Tie Nebula Planetary Nebula 3.5 Cepheus 11
C3 NGC 4236 Barred Spiral Galaxy 7,000 Draco 9.7
C4 NGC 7023 Iris Nebula Open Cluster and Nebula 1.4 Cepheus 7
C5 IC 342 Spiral Galaxy 10,000 Camelopardalis 9
C6 NGC 6543 Cat’s Eye Nebula Planetary Nebula 3 Draco 9
C7 NGC 2403 Spiral Galaxy 14,000 Camelopardalis 8.4
C8 NGC 559 Open Cluster 3.7 Cassiopeia 9.5
C9 Sh2-155 Cave Nebula Nebula 2.8 Cepheus 7.7
C10 NGC 663 Open Cluster 7.2 Cassiopeia 7.1
C11 NGC 7635 Bubble Nebula Nebula 7.1 Cassiopeia
C12 NGC 6946 Fireworks Galaxy Spiral Galaxy 18,000 Cepheus 8.9
C13 NGC 457 Owl Cluster, E.T. Cluster Open Cluster Cassiopeia 6.4
C14 NGC 869 & NGC 884 Double Cluster, H & χ Persei Open Cluster 7.3 Perseus 4
C15 NGC 6826 Blinking Planetary Planetary Nebula 2.2 Cygnus 10
C16 NGC 7243 Open Cluster 2.5 Lacerta 6.4
C17 NGC 147 Dwarf Spheroidal Galaxy 2,300 Cassiopeia 9.3
C18 NGC 185 Dwarf Spheroidal Galaxy 2,300 Cassiopeia 9.2
C19 IC 5146 Cocoon Nebula Open Cluster and Nebula 3.3 Cygnus 7.2
C20 NGC 7000 North America Nebula Nebula 1.8 Cygnus 4
C21 NGC 4449 Irregular galaxy 10,000 Canes Venatici 9.4
C22 NGC 7662 Blue Snowball Planetary Nebula 3.2 Andromeda 9
C23 NGC 891 Spiral Galaxy 31,000 Andromeda 10
C24 NGC 1275 Perseus A Type-cD galaxy 230,000 Perseus 11.6
C25 NGC 2419 Globular Cluster 275 Lynx 10.4
C26 NGC 4244 Spiral Galaxy 10,000 Canes Venatici 10.2
C27 NGC 6888 Crescent Nebula Nebula 4.7 Cygnus 7.4
C28 NGC 752 Open Cluster 1.2 Andromeda 5.7
C29 NGC 5005 Spiral Galaxy 69,000 Canes Venatici 9.8
C30 NGC 7331 Spiral Galaxy 47,000 Pegasus 9.5
C31 IC 405 Flaming Star Nebula Nebula 1.6 Auriga
C32 NGC 4631 Whale Galaxy Barred Spiral Galaxy 22,000 Canes Venatici 9.3
C33 NGC 6992 East Veil Nebula Supernova Remnant 2.5 Cygnus
C34 NGC 6960 West Veil Nebula NGC6960 Supernova Remnant 2.5 Cygnus
C35 NGC 4889 Type-cD galaxy 300,000 Coma Berenices 11.4
C36 NGC 4559 Spiral Galaxy 32,000 Coma Berenices 9.9
C37 NGC 6885 Open Cluster 1.95 Vulpecula 6
C38 NGC 4565 Needle Galaxy Spiral Galaxy 32,000 Coma Berenices 9.6
C39 NGC 2392 Eskimo Nebula/Clown Face Nebula Planetary Nebula 4 Gemini 10
C40 NGC 3626 Spiral Galaxy 86,000 Leo 10.9
C41 Mel 25 Hyades Open Cluster 0.151 Taurus 0.5
C42 NGC 7006 Globular Cluster 135 Delphinus 10.6
C43 NGC 7814 Spiral Galaxy 49,000 Pegasus 10.5
C44 NGC 7479 Barred Spiral Galaxy 106,000 Pegasus 11
C45 NGC 5248 Spiral Galaxy 74,000 Boötes 10.2
C46 NGC 2261 Hubble’s Variable Nebula Nebula 2.5 Monoceros
C47 NGC 6934 Globular Cluster 57 Delphinus 8.9
C48 NGC 2775 Spiral Galaxy 55,000 Cancer 10.3
C49 NGC 2237 Rosette Nebula Nebula 4.9 Monoceros 9.0
C50 NGC 2244 Open Cluster 4.9 Monoceros 4.8
C51 IC 1613 Irregular galaxy 2,300 Cetus 9.3
C52 NGC 4697 Elliptical galaxy 76,000 Virgo 9.3
C53 NGC 3115 Spindle Galaxy Lenticular Galaxy 22,000 Sextans 9.2
C54 NGC 2506 Open Cluster 10 Monoceros 7.6
C55 NGC 7009 Saturn Nebula Planetary Nebula 1.4 Aquarius 8
C56 NGC 246 Planetary Nebula 1.6 Cetus 8
C57 NGC 6822 Barnard’s Galaxy Barred irregular galaxy 2,300 Sagittarius 9
C58 NGC 2360 Open Cluster 3.7 Canis Major 7.2
C59 NGC 3242 Ghost of Jupiter Planetary Nebula 1.4 Hydra 9
C60 NGC 4038 Antennae Galaxies Galaxy 83,000 Corvus 10.7
C61 NGC 4039 Antennae Galaxies Interacting galaxy 83,000 Corvus 13
C62 NGC 247 Spiral Galaxy 6,800 Cetus 8.9
C63 NGC 7293 Helix Nebula Planetary Nebula 0.522 Aquarius 7.3
C64 NGC 2362 Open Cluster and Nebula 5.1 Canis Major 4.1
C65 NGC 253 Sculptor Galaxy Galaxy 9,800 Sculptor 7.1
C66 NGC 5694 Globular Cluster 113 Hydra 10.2
C67 NGC 1097 Galaxy 47,000 Fornax 9.3
C68 NGC 6729 R CrA Nebula Nebula 0.424 Corona Australis
C69 NGC 6302 Bug Nebula Planetary Nebula 5.2 Scorpius 13
C70 NGC 300 Galaxy 3,900 Sculptor 9
C71 NGC 2477 Open Cluster 3.7 Puppis 5.8
C72 NGC 55 Galaxy 4,200 Sculptor 8
C73 NGC 1851 Globular Cluster 39.4 Columba 7.3
C74 NGC 3132 Eight Burst Nebula Planetary Nebula 2 Vela 8
C75 NGC 6124 Open Cluster 1.5 Scorpius 5.8
C76 NGC 6231 Open Cluster and Nebula 6 Scorpius 2.6
C77 NGC 5128 Centaurus A Galaxy 16,000 Centaurus 7
C78 NGC 6541 Globular Cluster 22.3 Corona Australis 6.6
C79 NGC 3201 Globular Cluster 17 Vela 6.8
C80 NGC 5139 Omega Centauri Globular Cluster 17.3 Centaurus 3.7
C81 NGC 6352 Globular Cluster 18.6 Ara 8.2
C82 NGC 6193 Open Cluster 4.3 Ara 5.2
C83 NGC 4945 Galaxy 17,000 Centaurus 9
C84 NGC 5286 Globular Cluster 36 Centaurus 7.6
C85 IC 2391 Omicron Velorum Cluster Open Cluster 0.5 Vela 2.5
C86 NGC 6397 Globular Cluster 7.5 Ara 5.7
C87 NGC 1261 Globular Cluster 55.5 Horologium 8.4
C88 NGC 5823 Open Cluster 3.4 Circinus 7.9
C89 NGC 6087[note 1] S Norma Cluster Open Cluster 3.3 Norma 5.4
C90 NGC 2867 Planetary Nebula 5.5 Carina 10
C91 NGC 3532 Wishing Well Cluster Open Cluster 1.6 Carina 3
C92 NGC 3372 Eta Carinae Nebula Nebula 7.5 Carina 3
C93 NGC 6752 Globular Cluster 13 Pavo 5.4
C94 NGC 4755 Jewel Box Open Cluster 4.9 Crux 4.2
C95 NGC 6025 Open Cluster 2.5 Triangulum Australe 5.1
C96 NGC 2516 Open Cluster 1.3 Carina 3.8
C97 NGC 3766 Pearl Cluster Open Cluster 5.8 Centaurus 5.3
C98 NGC 4609 Open Cluster 4.2 Crux 6.9
C99 Coalsack Nebula Dark Nebula 0.61 Crux
C100 IC 2944 Lambda Centauri Nebula Open Cluster and Nebula 6 Centaurus 4.5
C101 NGC 6744 Galaxy 34,000 Pavo 9
C102 IC 2602 Theta Car Cluster Open Cluster 0.492 Carina 1.9
C103 NGC 2070 Tarantula Nebula Open Cluster and Nebula 170 Dorado 8.2
C104 NGC 362 Globular Cluster 27.7 Tucana 6.6
C105 NGC 4833 Globular Cluster 19.6 Musca 7.4
C106 NGC 104 47 Tucanae Globular Cluster 14.7 Tucana 4
C107 NGC 6101 Globular Cluster 49.9 Apus 9.3
C108 NGC 4372 Globular Cluster 18.9 Musca 7.8
C109 NGC 3195 Planetary Nebula 5.4 Chamaeleon 11.6