Messier 17, the Swan Nebula, with the open cluster M18 below it.
Contributor:Stocktrek Images, Inc. / Alamy Stock Photo
File size:49.7 MB (3.9 MB Compressed download)
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Dimensions:5100 x 3404 px | 43.2 x 28.8 cm | 17 x 11.3 inches | 300dpi
Date taken:29 July 2019
Photographer:Alan Dyer/Stocktrek Images
Messier 17, the Swan Nebula, aka the Omega or Checkmark Nebula, with the open cluster M18 below it.