List of constellations Modern constellations Modern constellations

| Constellation | IAU_abbreviation | Other_abbreviation | Genitive | Family | Origin | Meaning | Brightest_star |
|---|---|---|---|---|---|---|---|
| Capricornus /ˌkæprɨˈkɔrnəs/ | Cap | Capr | Capricorni /ˌkæprɨˈkɔrnaɪ/ | Zodiac | ancient ( Ptolemy ) | sea goat | Deneb Algiedi |
| Carina /kəˈraɪnə/ | Car | Cari | Carinae /kəˈraɪniː/ | Heavenly Waters | 1763, Lacaille , split from Argo Navis | keel | Canopus |
| Cassiopeia /ˌkæsi.ɵˈpiːə/ | Cas | Cass | Cassiopeiae /ˌkæsi.ɵˈpiː.iː/ | Perseus | ancient ( Ptolemy ) | Cassiopeia (mythological character) | Shedir |
| Centaurus /sɛnˈtɔrəs/ | Cen | Cent | Centauri /sɛnˈtɔraɪ/ | Hercules | ancient ( Ptolemy ) | centaur | Rigil Kentaurus |
| Cepheus /ˈsiːfiəs/, /ˈsiːfjuːs/ | Cep | Ceph | Cephei /ˈsiːfiaɪ/ | Perseus | ancient ( Ptolemy ) | Cepheus (mythological character) | Alderamin |
| Cetus /ˈsiːtəs/ | Cet | Ceti | Ceti /ˈsiːtaɪ/ | Perseus | ancient ( Ptolemy ) | sea monster (later interpreted as a whale ) | Deneb Kaitos |
| Circinus /ˈsɜrsɨnəs/ | Cir | Circ | Circini /ˈsɜrsɨnaɪ/ | La Caille | 1763, Lacaille | compass (drawing tool) | α Circini |