Caldwell Objects Codexery

Caldwell Objects

16 entries in the Caldwell Objects compendium.

Caldwell catalogueA complement to the Messier catalogue for amateur astronomers.IC 342A bright spiral galaxy hidden behind Milky Way dust.Sh 2-155An ionized H II region with ongoing star formation in Cepheus.NGC 6946A starburst galaxy with ten observed supernovae since 1917.NGC 7243An open cluster in Lacerta discovered by William Herschel in 1788.North America NebulaA vast emission nebula shaped like the continent of North America.NGC 7331An unbarred spiral galaxy sometimes called the Milky Way's twin.Veil NebulaBrightest visible part of the Cygnus Loop supernova remnant.NGC 7479A barred spiral galaxy with starburst activity and reversed radio arms.NGC 6231Young open cluster forming the head of the False Comet.IC 2391A naked-eye open cluster of hot, young blue stars in Vela.Carina NebulaA vast southern nebula, larger and brighter than Orion.NGC 6025A naked-eye open cluster straddling Norma and Triangulum Australe.NGC 6744A large spiral galaxy resembling the Milky Way in the local universe.IC 2602Third-brightest open cluster, visible to the unaided eye.Tarantula NebulaThe most active starburst region in the Local Group.
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