The Horsehead Nebula is shown in red and green against the surrounding cold molecular cloud (blue)
Horsehead Nebula
Date

Horsehead Nebula in Hα (blue), C+ (green) in ΔV = 0.96 km s-1 channels, and CO 3–2 (red) in ΔV = 0.25 km s-1 channels. The LSR velocities in km s-1 are indicated in the corresponding green and red numbers.

Credit
NASA/SOFIA/J. Bally et. al
Image Number
SCI2018_0007

Additional Information