NGC 5603

'''NGC 5603''' is a [[lenticular galaxy]] in the [[constellation]] [[Boötes]]. It was discovered by [[William Herschel]] on April 29, 1788 and was observed by [[John Herschel]] on May 13, 1828.<ref>{{cite web |title=New General Catalog Objects: NGC 5600 - 5649 |url=https://cseligman.com/text/atlas/ngc56.htm#5603 |access-date=30 November 2025}}</ref>

== NGC 5739 Group == According to Abraham Mahtessian, NGC 5603 is part of the seven member NGC 5739 [[Galaxy group|group]] (also known as [M98j] 234). The other six galaxies are: [[NGC 5598]], [[NGC 5784]], {{ill|NGC 5696|fr}}, {{ill|NGC 5739|fr}}, {{ill|NGC 5787|fr}}, and {{ill|NGC 5860|fr}}.<ref>{{cite journal| doi=10.1007/BF03036100 |title=Groups of galaxies. III. Some empirical characteristics |date=1998 |last1=Mahtessian |first1=A. P. |journal=Astrophysics |volume=41 |issue=3 |pages=308–321 |bibcode=1998Ap.....41..308M }}</ref>

== References ==

[[Category:Lenticular galaxies]] [[Category:Boötes]] [[Category:NGC objects]] [[Category:Discoveries by William Herschel]] [[Category:Astronomical objects discovered in 1788]]