Wallpaper author:
John Tipton
28 Aug 2021
The Helix Nebula_HOO
The Helix Nebula (NGC7293) is the largest and closest planetary nebula, only 700 light years from earth. This is an HOO image using only one 600 sec exposure for each filter with the CHI-3 one-meter telescope.
Dataset from which the image was processed
NGC 7293
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