NGC 604

Nebulae

NGC 604 is a supergiant H II region in the Triangulum Galaxy, discovered by William Herschel on September 11, 1784. It is among the largest H II regions in the Local Group, with a longest diameter of roughly 1,520 light-years. Its gas is ionized by a central cluster containing massive O-type and WR stars. The cluster is less compact than the central cluster of the Tarantula Nebula.

Location: Triangulum Galaxy
Discoverer: William Herschel, September 11, 1784
Longest diameter: Roughly 1,520 light-years (about 460 parsecs)

Sources and credits

Article: NGC 604 (English Wikipedia)
Wikidata: Q506389
Text: Card text is adapted from the English Wikipedia article by an automated summary. Wikipedia content is available under CC BY-SA 4.0; see the article history for its contributors. CC BY-SA 4.0 · Article history and contributors
Illustration: By NASA, ESA, CSA, STScI. CC BY 4.0 · File page on Wikimedia Commons
NASA, ESA, CSA, STScI, NGC 604 (NIRCam image)
Modifications: Resized and converted to WebP
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