Image information: Stacked, dark-subtracted, registered combination of 50 x 10s white light images. Image taken 06/06/2008.
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| Description: NGC6905 is a small, 11th
magnitude planetary nebula in Delphinus, formed when a small/medium star reaches
the end of its active life and blows off its outer atmosphere (which becomes the
nebula) as the star's core becomes a white dwarf.
Image information: Stacked, dark-subtracted, registered combination of 50 x 10s white light images. Image taken 06/06/2008. |
Physical information: Magnitude: 11.1 (central star 13.5), size: 1.2', distance: between 3000 and 6000 light years, a.k.a. the Blue Flash Nebula.