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.
Daniel Bufton, NASA
SOFIA Program Manager
Harold Yorke, USRA
Science Mission Operations Director