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The Owl Nebula (also known as Messier 97, M97 or NGC 3587) is a planetary nebula approximately 2,030 light years away in the constellation Ursa Major. [2] Estimated to be about 8,000 years old, [ 6 ] it is approximately circular in cross-section with a faint internal structure.
Little Dumbbell Nebula: M76: NGC 650, NGC 651: 1780 3.4 (approx.) 10.1 Perseus: Owl Nebula: M97: NGC 3587: 1781 2.6 (approx.) 9.9 Ursa Major: Twin Jet Nebula or Butterfly Nebula M2-9: 1947 2.1 14.7 Ophiuchus: NGC 7026: 1873 5.6 10.0 Cygnus: Butterfly Nebula: NGC 2346: 1802 3.9 (approx.) 11.9 Monoceros: Abell 39: 1955 6.8 (approx.) 13.7 Hercules ...
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IRAS 19024+0044 is a protoplanetary nebula in Aquila. Three interesting planetary nebulae lie in Aquila: NGC 6804 shows a small but bright ring. NGC 6781 bears some resemblance with the Owl Nebula in Ursa Major. It was discovered by William Herschel in 1788. [36] NGC 6751, also known as the Glowing Eye, is a planetary nebula. The nebula is ...
NGC 5422 is a lenticular galaxy [3] located in the constellation Ursa Major.It was discovered on April 14, 1789, by the astronomer William Herschel. [5]At a distance of about 100 million light-years (30 megaparsecs), NGC 5422 is located within the sparse NGC 5485 group, which is dominated by lenticular galaxies. [3]
NGC 2685 (also known as the Helix Galaxy) is a lenticular and polar ring Seyfert Type 2 galaxy in the constellation Ursa Major.Its velocity with respect to the cosmic microwave background is 1003 ± 9 km/s, which corresponds to a Hubble distance of 48.2 ± 3.4 Mly (14.79 ± 1.05 Mpc). [1]
Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major.It is the second-largest member of the M81 Group, with the D 25 isophotal diameter of 12.52 kiloparsecs (40,800 light-years).
The Southern Owl Nebula (PLN 283+25.1, ESO 378-1) is a planetary nebula located in the constellation Hydra. The nebula lies at a distance of 2,030 light years from Earth. It is named so because of its resemblance to the Owl Nebula in Ursa Major. [2] The nebula is notably symmetric, round, and has a diameter of approximately four light-years ...