This image from the Digitized Sky Survey 2 shows a wide-field view of globular cluster Messier 9 and its surroundings, imaged by a ground-based telescope. The dark patches are clouds of interstellar dust. Immediately to the right of Messier 9 is the dark cloud Barnard 64.
Credit:
NASA, ESA, Digitized Sky Survey 2 (Acknowledgement: Davide De Martin)