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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)

    Draco is a constellation in the far northern sky. Its name is Latin for dragon. ... One of the deep-sky objects in Draco is the Cat's Eye Nebula (NGC 6543), ...

  4. List of NGC objects (6001–7000) - Wikipedia

    en.wikipedia.org/wiki/List_of_NGC_objects_(6001...

    This is a list of NGC objects 6001–7000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters , nebulae , and galaxies . Other objects in the catalogue can be found in the other subpages of the list of NGC objects .

  5. List of planetary nebulae - Wikipedia

    en.wikipedia.org/wiki/List_of_planetary_nebulae

    NGC 6543: 1786 3.3 ± 0.9 9.8B Draco: Little Ghost Nebula: NGC 6369: 1800 (prior to) 2 ± 3 9.9 Ophiuchus: Medusa Nebula: Abell 21 1955 1.0 (approx.) 15.99 Gemini: Jewel Bug Nebula: NGC 7027: 1878 3.0 (approx.) 10 Cygnus: Helix Nebula: NGC 7293: 1824 0.68 +0.15 −0.08: 7.6 Aquarius: Little Dumbbell Nebula: M76: NGC 650, NGC 651: 1780 3.4 ...

  6. Caldwell catalogue - Wikipedia

    en.wikipedia.org/wiki/Caldwell_catalogue

    NGC 40: Bow-Tie Nebula: Planetary Nebula: 3.5 Cepheus: 11 C3 NGC 4236 Barred Spiral Galaxy: 7,000 Draco: 9.7 C4 NGC 7023: 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 ...

  7. Portal:Astronomy/Picture/August 2005 - Wikipedia

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

    The Cat's Eye Nebula, or NGC 6543, is a planetary nebula in the Draco constellation. It has a relatively high apparent magnitude of +8.1, and the central star of the nebula is approximately 10,000 times the luminosity of our sun. NGC 6543 is located 3,600 light years from the Earth. It is expanding, and unexplainedly ejecting the concentric ...

  8. Herschel 400 Catalogue - Wikipedia

    en.wikipedia.org/wiki/Herschel_400_Catalogue

    The Herschel 400 catalogue is a subset of William Herschel's original Catalogue of Nebulae and Clusters of Stars, selected by Brenda F. Guzman (Branchett), Lydel Guzman, Paul Jones, James Morris, Peggy Taylor and Sara Saey of the Ancient City Astronomy Club in St. Augustine, Florida, United States c. 1980.

  9. Portal:Outer space/Featured/Article - Wikipedia

    en.wikipedia.org/wiki/Portal:Outer_space/...

    The Cat's Eye Nebula (NGC 6543) is a planetary nebula in the constellation of Draco.Structurally, it is one of the most complex nebulae known, with high-resolution Hubble Space Telescope observations revealing remarkable structures such as knots, jets and sinewy arc-like features.