Mosaic of the rich region in Sagittarius and southern Serpens.
A mosaic of the rich region in Sagittarius and southern Serpens, from the Small Sagittarius Starcloud (Messier 24) at bottom to Messier 16, the Eagle Nebula, at top, with a fainter nebula above it around the cluster NGC 6604. At centre is the Swan or Omega Nebula, Messier 17. The dark nebula below centre is Barnard 92. The differences in the colours of the starclouds and nebulas is due to different amounts of intervening interstellar dust, with denser dust clouds absorbing more of the blues and making the objects appear redder or more yellow.
Size: 5100px × 5110px
Location: Alberta, Canada
Photo credit: © Alan Dyer/Stocktrek Images / Alamy / Afripics
License: Royalty Free
Model Released: No
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