This small portion of the Veil Nebula is located in the larger segment seen in its western part (the top left corner of the large ground-based image). The entire structure spans about 3 degrees, corresponding to about six full moons. Blue shows excited oxygen, green shows sulfur, and red shows hydrogen. Credit: NASA/ESA/Hubble Heritage/(STScI/AURA)-ESA/Hubble Collaboration/Digitized Sky Survey 2
