NGC 6559 is a star-forming region located at a distance of about 5000 light-years from Earth, in the constellation of Sagittarius, showing both emission (red) and reflection (bluish) regions. NGC 6559 is relatively small at only a few lightyears across. The nebula is found within Sharpless 29, an irregular H II region.

External links

  • Media related to NGC 6559 at Wikimedia Commons
  • — one of the three nebulae shown was NGC 6559
  • 2015-07-16 at the Wayback Machine