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  2. Cat's Eye Nebula - Wikipedia

    en.wikipedia.org/wiki/Cat's_Eye_Nebula

    The Cat's Eye Nebula (also known as NGC 6543 and Caldwell 6) is a planetary nebula in the northern constellation of Draco, discovered by William Herschel on February 15, 1786. It was the first planetary nebula whose spectrum was investigated by the English amateur astronomer William Huggins , demonstrating that planetary nebulae were gaseous ...

  3. Draco (constellation) - Wikipedia

    en.wikipedia.org/wiki/Draco_(constellation)

    It is also related to IC 4677, a nebula that appears as a bar 1.8 arcminutes to the west of the Cat's Eye nebula. In long-term exposures, IC 4677 appears as a portion of a ring surrounding the planetary nebula.

  4. List of planetary nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_planetary_nebulae

    Glowing Eye Nebula or Dandelion Puffball Nebula: NGC 6751: 1863 6.5 11.9 Aquila: ... Cat's Eye Nebula: NGC 6543: 1786 3.3 ± 0.9 9.8B Draco: Little Ghost Nebula: NGC ...

  5. Caldwell catalogue - Wikipedia

    en.wikipedia.org/wiki/Caldwell_catalogue

    Iris Nebula: Open Cluster and Nebula: 1.4 Cepheus: 7 C5 IC 342: Hidden Galaxy [7] Spiral Galaxy: 10,000 Camelopardalis: 9 C6 NGC 6543: Cat's Eye Nebula: Planetary Nebula: 3 Draco: 9 C7 NGC 2403 Spiral Galaxy: 14,000 Camelopardalis: 8.4 C8 NGC 559 Open Cluster: 3.7 Cassiopeia: 9.5 C9 Sh2-155: Cave Nebula: Nebula: 2.8 Cepheus: 7.7 C10 NGC 663 ...

  6. Portal:Astronomy/Picture/6 July 2005 - Wikipedia

    en.wikipedia.org/wiki/Portal:Astronomy/Picture/6...

    File:NGC 6543 outer halo.jpg. The Cat's Eye Nebula is a planetary nebula, formed when a star like the sun ejected its outer layers at the end of its life.Long exposure images reveal several distinct episodes of mass loss from the star, with the inner bright nebula surrounded by smooth concentric rings, in turn surrounded by a giant shell of clumpy gas

  7. Saving Mt. Wilson Observatory: Inside the long battle ... - AOL

    www.aol.com/news/saving-mt-wilson-observatory...

    On the night of Oct. 5, 1923, Hubble pointed the 100-inch telescope toward M31, a blob of faint light then known as the Andromeda nebula. The human eye only collects up to 0.2 seconds of visual ...

  8. Baby with extremely rare defect born with one eye in middle ...

    www.aol.com/news/2015-10-06-baby-with-extremely...

    In addition to only having one eye, the baby has a number of other deformities on his body. The family, who is receiving counseling, released a picture of the child that has since gone viral.

  9. Helix Nebula - Wikipedia

    en.wikipedia.org/wiki/Helix_nebula

    The Helix Nebula (also known as NGC 7293 or Caldwell 63) is a planetary nebula ... It is similar in appearance to the Cat's Eye Nebula and the Ring Nebula, ...