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David Dunlap Observatory Catalogue

Index David Dunlap Observatory Catalogue

David Dunlap Observatory Catalogue, known as the DDO or A Catalogue of Dwarf Galaxies, is a catalogue of dwarf galaxies that was published in 1959 (and later expanded in 1966) by Sidney van den Bergh. [1]

22 relations: Aquarius Dwarf, David Dunlap Observatory, DDO, DDO 169, Draco Dwarf, GR 8, IC 1613, Leo A, Leo I (dwarf galaxy), Leo II (dwarf galaxy), NGC 147, NGC 4707, NGC 5264, NGC 6822, Outline of galaxies, Pegasus Dwarf Irregular Galaxy, Ring Nebula (NGC 6822), Sextans A, Sextans B, UGC 5692, Ursa Minor Dwarf, Wolf–Lundmark–Melotte.

Aquarius Dwarf

The Aquarius Dwarf is a dwarf irregular galaxy, first catalogued in 1959 by the DDO survey.

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David Dunlap Observatory

The David Dunlap Observatory (DDO) is a large astronomical observatory site just north of Toronto in Richmond Hill, Ontario, housed on a estate.

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DDO

DDO may refer to.

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DDO 169

DDO 169 (also known as UGC 8331) is an irregular galaxy located in the constellation Canes Venatici.

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Draco Dwarf

The Draco Dwarf is a spheroidal galaxy which was discovered by Albert George Wilson of Lowell Observatory in 1954 on photographic plates of the National Geographic Society's Palomar Observatory Sky Survey (POSS).

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GR 8

GR 8 (also known as UGC 8091) is a gas-rich dwarf irregular galaxy.

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IC 1613

IC 1613 (also known as Caldwell 51) is an irregular dwarf galaxy, visible in the constellation Cetus near the star 26 Ceti.

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Leo A

Leo A (also known as Leo III) is an irregular galaxy that is part of the Local Group.

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Leo I (dwarf galaxy)

Leo I is a dwarf spheroidal galaxy in the constellation Leo.

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Leo II (dwarf galaxy)

Leo II (or Leo B) is a dwarf spheroidal galaxy about 690,000 light-years away in the constellation Leo.

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NGC 147

NGC 147 (also known as DDO3 or Caldwell 17) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia.

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NGC 4707

NGC 4707 is an irregular galaxy in the constellation of Canes Venatici.

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NGC 5264

NGC 5264, also known as DDO 242, is an irregular galaxy in the constellation Hydra.

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NGC 6822

NGC 6822 (also known as Barnard's Galaxy, IC 4895, or Caldwell 57) is a barred irregular galaxy approximately 1.6 million light-years away in the constellation Sagittarius.

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Outline of galaxies

The following outline is provided as an overview of and topical guide to galaxies: Galaxies – gravitationally bound systems of stars, stellar remnants, interstellar gas, dust, and dark matter.

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Pegasus Dwarf Irregular Galaxy

The Pegasus Dwarf Irregular Galaxy (also known as Peg DIG or the Pegasus Dwarf) is a dwarf irregular galaxy in the direction of the constellation Pegasus.

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Ring Nebula (NGC 6822)

The Ring Nebula in Barnard's Galaxy has the official designation of Hubble 1925 III as it was the third (Roman numeral 3) object recorded in Hubble's 1925 paper, N.G.C. 6822, A Remote Stellar System.

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Sextans A

Sextans A (also known as UGCA 205) is a tiny dwarf irregular galaxy.

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Sextans B

Sextans B (also known as UGC 5373 and DDO 70) is an irregular galaxy that may be part of the Local Group, or lie just beyond it.

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UGC 5692

UGC 5692 is a Magellanic-type spiral galaxy located 13 million light years away in the constellation of Ursa Major.

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Ursa Minor Dwarf

The Ursa Minor Dwarf is a dwarf spheroidal galaxy, discovered by A.G. Wilson of the Lowell Observatory, in the United States, during the Palomar Sky Survey in 1955.

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Wolf–Lundmark–Melotte

The Wolf–Lundmark–Melotte (WLM) is an irregular galaxy discovered in 1909 by Max Wolf, located on the outer edges of the Local Group.

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Redirects here:

DDO (galaxy catalogue).

References

[1] https://en.wikipedia.org/wiki/David_Dunlap_Observatory_Catalogue

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