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Microscopium
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===Deep sky objects=== [[File:Arp-Madore 2026-424.tif|thumb|[[Arp-Madore 2026-424]] taken by Hubble.<ref>{{cite web |title=Hubble Captures Cosmic Face |url=https://www.spacetelescope.org/news/heic1919/ |website=www.spacetelescope.org |access-date=31 October 2019 |language=en}}</ref>]] Describing Microscopium as "totally unremarkable", astronomer [[Patrick Moore]] concluded there was nothing of interest for amateur observers.<ref name="binocs">{{cite book |last=Moore |first=Patrick |author-link=Patrick Moore |title=Exploring the Night Sky with Binoculars |publisher=Cambridge University Press |location=Cambridge |date=2000 |page=[https://archive.org/details/exploringnightsk00moor/page/110 110] |isbn=978-0-521-79390-2 |url=https://archive.org/details/exploringnightsk00moor|url-access=registration }}</ref> [[NGC 6925]] is a [[barred spiral galaxy]] of apparent magnitude 11.3 which is lens-shaped, as it lies almost edge-on to observers on Earth, 3.7 degrees west-northwest of Alpha Microscopii.<ref name=bakich2010>{{cite book |first=Michael E. |last=Bakich |date=2010 |page=289 |title=1001 Celestial Wonders to See Before You Die: The Best Sky Objects for Star Gazers |series=Patrick Moore's Practical Astronomy Series |publisher=Springer |isbn=978-1-4419-1776-8 |url=https://books.google.com/books?id=qEhpS7d5ZdAC&pg=PA289}}</ref> [[SN 2011ei]], a [[Supernova#Type II|Type II Supernova]] in NGC 6925, was discovered by Stu Parker in New Zealand in July 2011.<ref name=Rochester>{{cite web |title=Supernova 2011ei in NGC 6925 |url=http://www.rochesterastronomy.org/sn2011/sn2011ei.html |website=Rochester Astronomy |access-date=20 June 2015 |archive-url=https://web.archive.org/web/20150620113815/http://www.rochesterastronomy.org/sn2011/sn2011ei.html |archive-date=20 June 2015 |url-status=dead }}</ref> [[NGC 6923]] lies nearby and is a magnitude fainter still.<ref name="cambridge">{{cite book |author=Moore, Patrick |author2=Tirion, Wil |title=Cambridge Guide to Stars and Planets |publisher=Cambridge University Press |location=Cambridge |date=1997 |page=[https://archive.org/details/cambridgeguideto00moor/page/210 210] |isbn=978-0-521-58582-8 |url=https://archive.org/details/cambridgeguideto00moor|url-access=registration }}</ref> The [[Microscopium Void]] is a roughly rectangular region of relatively empty space, bounded by incomplete sheets of galaxies from other voids.<ref name=AA-229-1>{{cite journal |author1=Maurellis, A. |author2=Fairall, A.P. |author3=Matravers, D.R. |author4=Ellis, G.F.R. |journal=Astronomy and Astrophysics |volume=229 |issue=1 |year=1990 |pages=75β79 |title=A two-dimensional sheet of galaxies between two southern voids |issn=0004-6361 |bibcode=1990A&A...229...75M}}</ref> The [[Microscopium Supercluster]] is an overdensity of galaxy clusters that was first noticed in the early 1990s. The component Abell clusters [[Abell 3695|3695]] and [[Abell 3696|3696]] are likely to be gravitationally bound, while the relations of Abell clusters [[Abell 3693|3693]] and [[Abell 3705|3705]] in the same field are unclear.<ref>{{cite journal |last=Pearson |first=David W. |author2=Batuski, David J. |date=2013 |title=Locating bound structure in an accelerating universe |journal=[[Monthly Notices of the Royal Astronomical Society]] |volume=436 |issue=1 |pages=796β806 |doi=10.1093/mnras/stt1614|doi-access=free |arxiv = 1308.5154 |bibcode = 2013MNRAS.436..796P |s2cid=119271703 }}</ref><!-- cites previous 2 refs -->
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