NGC 477

{{Short description|Galaxy in the constellation Andromeda}}

{{Infobox galaxy

|name=NGC 477

|image=NGC477 - SDSS DR14.jpg

|alt=NGC 477

|caption=SDSS view of NGC 477

|epoch=J2000

|ra={{RA|01|21|20.39}}

|dec={{DEC|+40|29|17.6}}

|constellation name=Andromeda

|z=0.019560 ± 0.000033

|h_radial_v=5807 ± 10 km/s|dist_ly=250 Mly

|type=SAB(s)c

|appmag_v=13.1

|size_v=1,6′ × 1,1′

|notes=

|names=PGC 4915, GC 268, UGC 886, MCG +07-03-032 2MASX J01212039+4029176}}

NGC 477 is a spiral galaxy in the constellation Andromeda.{{Cite web|url=http://spider.seds.org/ngc/revngcic.cgi?NGC477|title=Revised NGC Data for NGC 477|website=spider.seds.org|access-date=2017-10-05}} It is located approximately 250 million light-years from Earth and was discovered on October 18, 1786 by astronomer William Herschel.{{Cite web|url=http://cseligman.com/text/atlas/ngc4a.htm#477|title=New General Catalog Objects: NGC 450 - 499|website=cseligman.com|language=en-US|access-date=2017-10-05}}{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+477|title=Your NED Search Results|website=ned.ipac.caltech.edu|access-date=2017-10-05}}

One supernova has been observed in NGC 477: SN 2002jy (type Ia, mag. 16.3).[https://www.wis-tns.org/object/2002jy Transient Name Server entry for SN 2002jy.] Retrieved 2 April 2023.