![Unistellar on X: "This week's challenge is to observe the Omega Nebula (M17)! It is one of the most massive star-forming regions in our galaxy, and its reddish color comes from hot Unistellar on X: "This week's challenge is to observe the Omega Nebula (M17)! It is one of the most massive star-forming regions in our galaxy, and its reddish color comes from hot](https://pbs.twimg.com/media/Eb40GB7XQAMxE2D.jpg)
Unistellar on X: "This week's challenge is to observe the Omega Nebula (M17)! It is one of the most massive star-forming regions in our galaxy, and its reddish color comes from hot
![Astropixel.it | Francesco di Biase astrophotography M17 Omega Nebula in HaRGB - Astropixel.it | Francesco di Biase astrophotography Astropixel.it | Francesco di Biase astrophotography M17 Omega Nebula in HaRGB - Astropixel.it | Francesco di Biase astrophotography](https://www.astropixel.it/wp-content/uploads/2014/08/M17_OMEGA_HRGB_full_creditsC_nologo.jpg)
Astropixel.it | Francesco di Biase astrophotography M17 Omega Nebula in HaRGB - Astropixel.it | Francesco di Biase astrophotography
![La Nebula Omega, conosciuta anche come la Nebula Swan, segno di spunta Nebula, e Horseshoe Nebula Messier 17, M17, catturata con un telescopio rifrangente Foto stock - Alamy La Nebula Omega, conosciuta anche come la Nebula Swan, segno di spunta Nebula, e Horseshoe Nebula Messier 17, M17, catturata con un telescopio rifrangente Foto stock - Alamy](https://c8.alamy.com/compit/2gn3962/la-nebula-omega-conosciuta-anche-come-la-nebula-swan-segno-di-spunta-nebula-e-horseshoe-nebula-messier-17-m17-catturata-con-un-telescopio-rifrangente-2gn3962.jpg)