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Caldwell advocates, however, see the catalogue as a useful list of some of the brightest and best known non-Messier deep-sky objects. Thus, advocates dismiss any "controversy" as being fabricated by older amateurs simply not able or willing to memorize the new designations despite every telescope database using the Caldwell IDs as the primary ...
NGC 3532 (Caldwell 91), [8] ... It was admired by John Herschel, who thought it one of the finest star clusters in the sky, [3] [19] with many double stars (binary ...
Ashley Caldwell (born September 14, 1993) is an American freestyle skier who has competed in aerials since 2008. Caldwell was named to the US team for the 2010 Winter Olympics in January 2010 after competing in the sport for only two seasons.
Sir Patrick Alfred Caldwell-Moore [a] (/ ˈ k ɔː l d w ɛ l /; 4 March 1923 – 9 December 2012 [1]) was an English amateur astronomer who attained prominence in that field as a writer, researcher, radio commentator and television presenter.
NGC 6231 (also known as Caldwell 76 or the Baby Scorpion Cluster [4] [5]) is an open cluster in the southern sky located half a degrees north of Zeta Scorpii.NGC 6231 is part of a swath of young, bluish stars in the constellation Scorpius known as the Scorpius OB1 association. [6]
NGC 891 (also known as Caldwell 23, the Silver Sliver Galaxy, and the Outer Limits Galaxy) is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by William Herschel on October 6, 1784. [3] The galaxy is a member of the NGC 1023 group of galaxies in the Local Supercluster.
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NGC 2403 (also known as Caldwell 7) is an intermediate spiral galaxy in the constellation Camelopardalis. It is an outlying member of the M81 Group, [3] and is approximately 8 million light-years distant. It bears a similarity to M33, being about 50,000 light years in diameter and containing numerous star-forming H II regions. [4]