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NGC 7662 is a planetary nebula located in the northern constellation Andromeda.It is known as the Blue Snowball Nebula, Snowball Nebula, and Caldwell 22.This nebula was discovered October 6, 1784 by the German-born English astronomer William Herschel.
NGC 559 (also known as Caldwell 8) is an open cluster and Caldwell object in the constellation Cassiopeia. It shines at magnitude +9.5. Its celestial coordinates are RA 01 h 29.5 m, dec +63° 18′. It is located near the open cluster NGC 637, and the bright magnitude +2.2 irregular variable star Gamma Cassiopeiae. The cluster is 7 arcmins ...
NGC 147 (also known as DDO3 or Caldwell 17) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia. NGC 147 is a member of the Local group of galaxies and a satellite galaxy of the Andromeda Galaxy (M31). It forms a physical pair with the nearby galaxy NGC 185, [5] another remote satellite of M31.
The Caldwell catalogue is an astronomical catalogue of 109 star clusters, ... 22.3 Corona Australis: 6.6 C79 NGC 3201 Globular Cluster: 17 Vela: 6.8 C80 NGC 5139 ...
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 ...
Sh 2-155, Caldwell 9, LBN 110.11+02.44 See also: Lists of nebulae Sh 2-155 (also designated Caldwell 9, Sharpless 155 or S155 , or LBN529 ) is a diffuse nebula in the constellation Cepheus , within a larger nebula complex containing emission, reflection, and dark nebulosity.
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UGC 11597, PGC 65001, Arp 29, [1] Caldwell 12 NGC 6946 , sometimes referred to as the Fireworks Galaxy , is a face-on intermediate spiral galaxy with a small bright nucleus, whose location in the sky straddles the boundary between the northern constellations of Cepheus and Cygnus .