Caldwell 12, also known as the Fireworks Galaxy or NGC 6946, is a spiral galaxy straddling the border of the constellations Cepheus and Cygnus, discovered by William Herschel in 1798. It lies roughly 18 to 25 million light-years from Earth and has one of the highest rates of observed supernovae of any known galaxy, with ten recorded within it over the past century, giving rise to its popular nickname.
Facts
Classification
Constellation CatalogueNew General Catalogue (NGC) 2 Discovery Year In the Other Atlases
In Constellation
Also in Divinity Atlas: the constellation this subject lies in.
Sources
1. Wikidata: Caldwell 12
- Wikidata Q671210, class allow-list match (w-wdresolver-0926)
- wikidata-q671210 Wikidata claim (w-bbfill-edspace5-0927)
View the Source2. Wikipedia (space and spaceflight articles)
Wikimedia Foundation
NGC 6946 (Wikipedia)
Caldwell 12, Wikipedia - lead section, catalogue classification
NGC 6946, sometimes referred to as the Fireworks Galaxy, is a grand design, face-on intermediate spiral galaxy with a small bright nucleus, whose location in the sky straddles the boundary between the northern constellations of Cepheus and Cygnus.
- In Group: Spiral Galaxies, infobox 'type' field: SAB(rs)cd (NED classification, de Vaucouleurs system) filed under Spiral Galaxies
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