Wallpaper author:
John Ebersole
19 May 2026
M21
The open star cluster, M21, at image center is rather inconspicuous compared to the surrounding nebulae, including M8, M20, Sh2-29, and Sh2-34 at image right, that I recently named the Forgotten Nebula. It suffers the fate of many nice nebulae that are close to famous ones.
Dataset from which the image was processed
M21
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