https://www.universetoday.com/articles/messier-74-spiral-galaxy
Messier 74 - the NGC 628 Spiral Galaxy - Universe Today
Jun 13, 2025 - Located in the Pisces constellation, roughly 30 million light years from Earth, is the spiral galaxy known as Messier 74 (aka. the
messier 74ngc 628spiral galaxyuniversetoday
https://www.iac.es/es/ciencia-y-tecnologia/publicaciones/electron-densities-and-filling-factors-extragalactic-h-ii-regions-ngc-2403-and-ngc-628
Electron densities and filling factors of extragalactic H II regions: NGC 2403 and NGC 628 |...
Measurements of the electron density of populations of extragalactic H II regions in nearby galaxies remain limited, despite the relevance of this quantity for...
https://iac.es/en/science-and-technology/publications/electron-densities-and-filling-factors-extragalactic-h-ii-regions-ngc-2403-and-ngc-628
Electron densities and filling factors of extragalactic H II regions: NGC 2403 and NGC 628 |...
Measurements of the electron density of populations of extragalactic H II regions in nearby galaxies remain limited, despite the relevance of this quantity for...
https://www.aanda.org/articles/aa/full_html/2020/02/aa36060-19/aa36060-19.html
The headlight cloud in NGC 628: An extreme giant molecular cloud in a typical galaxy disk |...