NGC 5471 is an emission nebula (HII region) located in Messier 101 (the Pinwheel Galaxy) [1] towards the constellation Ursa Major. Eight other regions of Messier 101 are listed in the New …

NGC 5471 is a HII Ionized region in the Ursa Major constellation. NGC 5471 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. …

2020年3月30日 · You’ve found the giant nebula NGC 5471. NGC 5471 is a massive HII region actively forming hot, blue stars, which explains why a good portion of it appears intensely blue …

NGC 5471 is an Emission-Line Galaxy located in the constellation of Ursa Major in the northern hemisphere. NGC 5471 is called NGC 5471 in the New General Catalogue (NGC). This …

The spatial distribution of the stars shows that the star formation in NGC 5471 has proceeded along the whole region during, at least, the last 100 Myr. The current ionizing clusters are …

2018年5月6日 · NGC 5471 is a so called Giant Extragalactic HII Regiopn (GEHR) where massive star formation is going on since 100 Myr. In this article there are inverted Hubble images that …

As demonstrated for Region 10 (NGC 5471) in Figure 5, many of the H II regions in M101 are giant complexes containing multiple knots of star-formation and earning them their own NGC...

NGC 5471 is an emission nebula located in Messier 101 towards the constellation Ursa Major. Eight other regions of Messier 101 are listed in the New General Cat...

===== NGC 5471 18" (6/28/03): highest surface brightness of any of the HII regions in M101. Appears very similar to a small, elliptical galaxy -- even contains a small, brighter core.

We show that star formation in the giant H II region NGC 5471 has been ongoing during the past 100 Myr. Using Hubble Space Telescope/Wide-Field Planetary Camera 2 F547M and F675W, …