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| names = NGC 537, 4ZW 45, Arp 158, CGCG 521-22, ] 01225+3345, ] 6-4-18, ] 5268, ] 979, V V 783<ref name="dso"/> |
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| names = NGC 537, 4ZW 45, Arp 158, CGCG 521-22, ] 01225+3345, ] 6-4-18, ] 5268, ] 979, V V 783<ref name="dso"/> |
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| sbrightness_specify=13.2<ref name="dso"/>a |
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| sbrightness_specify=13.2<ref name="dso"/> a |
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'''NGC 523''', also known as '''Arp 158''', from the ] catalog is a ] located in the constellation ].<ref name="NGC"/> It was discovered separately by ] on 13 September 1784, and by ] on 13 August 1862. d'Arrest's discovery was listed as NGC 523, while Herschel's was listed as NGC 537; the two are one and the same.<ref name="prof">{{cite web|url=http://cseligman.com/text/atlas/ngc5.htm#523|title=New General Catalog Objects: NGC 500 – 549|website=''cseligman.com''}}</ref> ] noted in the ] that NGC 523 is a double nebula.<ref name="NGC"/> |
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'''NGC 523''', also known as '''Arp 158''', from the ] catalog is a ] located in the constellation ].<ref name="NGC"/> It was discovered separately by ] on 13 September 1784, and by ] on 13 August 1862. d'Arrest's discovery was listed as NGC 523, while Herschel's was listed as NGC 537; the two are one and the same.<ref name="prof">{{cite web|url=http://cseligman.com/text/atlas/ngc5.htm#523|title=New General Catalog Objects: NGC 500 – 549|website=cseligman.com}}</ref> ] noted in the ] that NGC 523 is a double nebula.<ref name="NGC"/> |
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In September 2001 a ], SN 2001en was discovered in NGC 523.<ref name="Bishop">{{cite web |last1=Bishop |first1=David |title=Supernova 2001en in NGC 523 |url=http://www.rochesterastronomy.org/sn2001/sn2001en.html |website=Rochester Astronomy.org |accessdate=21 October 2018}}</ref> |
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In September 2001 a ], SN 2001en was discovered in NGC 523.<ref name="Bishop">{{cite web |last1=Bishop |first1=David |title=Supernova 2001en in NGC 523 |url=http://www.rochesterastronomy.org/sn2001/sn2001en.html |website=Rochester Astronomy.org |accessdate=21 October 2018}}</ref> |
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== See also == |
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== See also == |
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== External links == |
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== External links == |
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{{Commons category}} |
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{{commonscat}} |
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* {{WikiSky}} |
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* {{WikiSky}} |
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{{Ngc10}} |
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{{Ngc10}} |
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{{Andromeda (constellation)}} |
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{{Andromeda (constellation)}} |
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{{Sky|01|23.3|00||+34|02|00|190000000}} |
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{{Sky|01|23.3|00||+34|02|00|190000000}} |
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{{galaxy-stub}} |