IC 3447

{{Short description|Type Sc barred spiral galaxy in constellation Virgo}}

{{Infobox galaxy|name=IC 3447|image=File:IC3447 - SDSS DR14.jpg|caption=IC 3447 taken by SDSS|epoch=J2000|constellation name=Virgo|ra=12h 31m 17.90s|dec=+10d 40m 48.59s|z=0.092479|h_radial_v=27,682 km/s|dist_ly=1.273 Gly (390.6 Mpc)|appmag_v=16.1|appmag_b=16.9|sbrightness=13.3|size_v=0.30' x 0.3'|type=S, Sc|names=VPC 805, PGC 165209, SSTSL2 J123117.83+104048.3, [DCY96] 247}}

IC 3447 (or PGC 165209) is a type Sc{{Cite web |title=HyperLeda -object description |url=http://atlas.obs-hp.fr/hyperleda/ledacat.cgi?o=IC%203447 |access-date=2024-05-16 |website=atlas.obs-hp.fr}} barred spiral galaxy{{cn|date=September 2024|reason=Where does the claim this is a barred spiral come from?}} located in the constellation Virgo. It has a redshift of 0.092479,{{Cite web |title=IC 3447 - spiral galaxy. Description IC 3447: |url=https://kosmoved.ru/get_ngcic.php?ID=IC_3447&lang=eng |access-date=2024-05-16 |website=kosmoved.ru}} which means IC 3447 is 1.27 billion light-years from Earth,{{Cite web |title=Your NED Search Results |url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=519690&objname=1&img_stamp=YES&hconst=73.0&omegam=0.27&omegav=0.73&corr_z=1 |access-date=2024-05-16 |website=ned.ipac.caltech.edu}} making it one of the furthest objects in the Index Catalogue.{{Cite web |last=Lowrey |first=Jimi |title=Chasing Billion Year Old Light |url=https://www.astronomy-mall.com/Adventures.In.Deep.Space/Farout%20NGC-IC.pdf}} The galaxy has apparent dimensions of 0.30 x 0.3 arcmin, which means IC 3447 is 111,000 light-years across.{{Cite web |title=Revised IC Data for IC 3447 |url=http://spider.seds.org/ngc/revngcic.cgi?IC%203447 |access-date=2024-05-16 |website=spider.seds.org}} It was discovered by Royal Harwood Frost on May 10, 1904.{{Cite web |title=Index Catalog Objects: IC 3400 - 3449 |url=https://cseligman.com/text/atlas/ic34.htm#ic3447 |access-date=2024-05-16 |website=cseligman.com}}{{Cite web |title=List of NGC/IC observers |url=http://www.klima-luft.de/steinicke/ngcic/obs_e.htm |access-date=2024-05-16 |website=www.klima-luft.de}}