NGC 4630

{{Short description|Irregular galaxy in the constellation Virgo}}

{{Infobox Galaxy

| name = NGC 4630

| image = NGC 4630 SDSS.jpg

| image_size = 250px

| caption = SDSS image of NGC 4630.

| epoch = J2000

| type = IB(s)m{{cite web

| title=NASA/IPAC Extragalactic Database

| work=Results for NGC 4630

| url=http://nedwww.ipac.caltech.edu/

| access-date=2017-09-10}}

| ra = {{RA|12|42|31.1}}

| dec = {{DEC|03|57|37}}

| dist_ly = 53,823,000 ly

| group_cluster = Virgo II Groups

| z = 0.002458/737 km/s

| appmag_v = 13.15

| size_v = 1.8 x 1.3

| constellation name = Virgo

| names = PGC 42688, UGC 7871, VCC 1923

|size=~29,292.76 ly (estimated)}}

NGC 4630 is an irregular galaxy located about 54 million light-years away{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4630&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES|title=Your NED Search Results|website=ned.ipac.caltech.edu|access-date=2017-09-12}} in the constellation of Virgo.{{Cite web|url=https://dso-browser.com/deep-sky/5693/ngc-4630/galaxy|title=Galaxy NGC 4630 - Galaxy in Virgo Constellation · Deep Sky Objects Browser|last=Rojas|first=Sebastián García|website=DSO Browser|language=en|access-date=2017-09-12}} NGC 4630 was discovered by astronomer William Herschel on February 2, 1786.{{Cite web|url=http://cseligman.com/text/atlas/ngc46.htm#4630|title=New General Catalog Objects: NGC 4600 - 4649|website=cseligman.com|language=en-US|access-date=2017-09-03}} NGC 4630 is part of the Virgo II Groups{{Cite journal|last=Tully|first=R. B.|date=June 1982|title=The Local Supercluster|bibcode=1982ApJ...257..389T|journal=The Astrophysical Journal|language=en|volume=257|pages=389–422|doi=10.1086/159999|issn=0004-637X|doi-access=free}} which form a southern extension of the Virgo Cluster.{{Cite web|url=http://www.atlasoftheuniverse.com/galgrps/virii.html|title=The Virgo II Groups|website=www.atlasoftheuniverse.com|access-date=2018-04-02}}