NGC 6905
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Type Location r.a. dec. Size Magnitude Distance
Planetary Nebula Del 20h22.4 +20°07' 46" 12 4,700 ly

NGC 6905, also known as "the blue flash", is a planetary nebula in constellation Delphinus, at a distance of about 4,700 light-years.
The central star magnitude is 14.


Object detail:

Date Telescope Binning Exp Time (s) Special processing Notes
Jul 2, 2006 Centurion
18"
L 1:1
RGB 3:1
L 4x300
RGB 300
Virtual Pixel, LRGB, Max Entropy, DDP Image sampling =
main - .7" / pixel
detail - .35"/pixel