Celestial hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  IC 1296  ·  M 57  ·  NGC 6720  ·  Ring nebula in Lyra
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M57 - The Ring Nebula, Kurt Zeppetello
M57 - The Ring Nebula
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Description

The Ring Nebula, M57, Revisited!

I photographed the Ring Nebula last year around this time for about 2 min. 30 sec. (link). I imaged it again for a much longer time in an effort to get a better image. It is easy to locate but hard to see without a big telescope as it is a small object. Located around 2,300 LY from Earth M57 is a planetary nebula formed when a star explodes and sheds its outer layers. The explosion, however, is not quite a supernova. The event that produced the ring is believed to have occurred 4,000 years ago. The central star, currently a white dwarf, ionizes the surrounding gas to produce the light display. Also, the central star is very hard to see without a large telescope.

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Revisions

  • M57 - The Ring Nebula, Kurt Zeppetello
    Original
  • M57 - The Ring Nebula, Kurt Zeppetello
    B
  • Final
    M57 - The Ring Nebula, Kurt Zeppetello
    C

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M57 - The Ring Nebula, Kurt Zeppetello

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