Different shots of the same galaxy, from ground based telescopes, which show the entirety of its spiral, to closer up shots from Hubble, featuring dust and gas.

NGC6946_GC_inset

Astronomers have used Hubble’s Wide Field and Planetary Camera 2 (WFPC2) and Wide Field Camera 3 (WFC3) to study a young globular star cluster in Caldwell 12 (NGC 6946). Two Hubble images of the star cluster appear in the upper left (in infrared light) and upper right (in visible light), while a ground-based image of the galaxy at the bottom shows the location of the Hubble images.

Credits: Ground-based image: T.A. Rector/University of Alaska Anchorage, H. Schweiker/WIYN, and NOAO/AURA/NSF; Hubble WFC3/IR image: NASA, ESA, K. Long (Eureka Scientific), and A. Leroy (Ohio State University); Hubble WFPC2 image: NASA, ESA, and S. Larsen (Radboud Universiteit Nimegen); Processing: Gladys Kober (NASA/Catholic University of America)
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Image CreditGround-based image: T.A. Rector/University of Alaska Anchorage, H. Schweiker/WIYN, and NOAO/AURA/NSF; Hubble WFC3/IR image: NASA, ESA, K. Long (Eureka Scientific), and A. Leroy (Ohio State University); Hubble WFPC2 image: NASA, ESA, and S. Larsen (Radboud Universiteit Nimegen); Processing: Gladys Kober (NASA/Catholic University of America)
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