description NGC 5471 Overview
NGC 5471 is a giant H II region located in the outer northeastern spiral arm of the Pinwheel Galaxy (M101) in the constellation Ursa Major. As one of the largest known H II regions, it spans approximately 800 light-years and contains multiple massive star-forming complexes. Its exceptional luminosity and energetic stellar remnants make it an important object for studying massive star formation in external galaxies. The region appears as a distinct bluish knot in telescope images of M101.
help NGC 5471 FAQ
What exactly is NGC 5471?
NGC 5471 is a giant H II region, meaning it is a massive cloud of glowing gas and plasma where new stars are actively forming. It is located on the outer edges of the Pinwheel Galaxy, also known as Messier 101 (M101).
How far away is NGC 5471 from Earth?
NGC 5471 is located approximately 21 million light-years away from Earth within the constellation Ursa Major. It is situated in the sprawling spiral galaxy M101.
Why is NGC 5471 of interest to astronomers?
Astronomers study NGC 5471 because it is exceptionally luminous and contains energetic stellar remnants, including a potential hypernova remnant. It offers a unique look at intense star formation far from the host galaxy's core.
Can NGC 5471 be seen with a standard backyard telescope?
Because it is a small, specific region within another galaxy, NGC 5471 is incredibly difficult to spot even with large amateur telescopes. Observers usually need astrophotography equipment and massive apertures to resolve it distinctly.
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