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| NGC 6905 is classified as a planetary nebula -- a misleading name referring to the shell of gas expelled by a dying, sunlike star. Stars much more massive than our sun die in violent supernova explosions -- and leave behind a very different-looking cloud of expanding gas. |
Date/Time | August 2010 |
Equipment | 20" Obsession Telescope on equatorial platform |
Settings | SBIG ST8 CCD |
Image processing | Dark subtraction, flatfielding, RGB level adjustment, cropping. |