| names = [[Index Catalogue|IC]] 1127,<ref name="ned" /> [[Index Catalogue|IC]] 4553,<ref name="ned" /><br>
Luminous far-infrared objects like Arp 220 have been found in surprisingly large numbers by sky surveys o
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7 KB (1,006 words) - 14:34, 5 February 2018
[[Image:Hubble Interacting Galaxy IC 883 (2008-04-24).jpg|thumb|300px|[[IC 883]] (Arp 193), remnant of two galaxies' merger.]]
...t fit into any of the above categories are listed as objects 332–338. Most objects are best known by their other designations, but a few galaxies are best kno
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76 KB (10,108 words) - 15:04, 4 February 2018
[[File:Potw1504a.tif|thumb|[[Arp 230]], also known as IC 51, observed by the [[NASA]]/[[ESA]] [[Hubble Space Telescope]].<ref>{{cite
...p later used the atlas as evidence in his debate on [[Quasar|quasi-stellar objects]] (QSOs).
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19 KB (2,646 words) - 16:44, 2 August 2020