The constellation of Orion includes M42, the Orion Nebula, the horsehead and flame nebulae, and the large arc on the left, Barnard's loop. The picture is framed by the orange star Betelgeuse and the blue star Rigel
These two nebulas, commonly called the Heart and Soul are actually clouds of hydrogen. Nearby is the double cluster. Hydrogen clouds generally form into star clusters over time.
The eclipsed moon coming out of totality. High humidity created the halo on the bright side. Refraction through the Earth's atmosphere creates the red glow.