NGC 734

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

{{Infobox galaxy

| name = NGC 734

| image = 250px

| caption = SDSS image of NGC 734

| epoch = J2000

| constellation name = Cetus

| ra = {{RA|01|53|28.755118}}

| dec = {{DEC|-16|59|44.8274}}

| z = 0.040824

| h_radial_v = 11989 km/s

| dist_ly = {{cvt|166|Mpc|Mly|lk=on|order=flip}}

| group_cluster =

| type = SB0-a{{cite web|url=http://leda.univ-lyon1.fr/ledacat.cgi?o=NGC%20734|title=Search specification: NGC 734|work=HyperLeda|publisher=Université Claude Bernard Lyon 1|accessdate=2021-02-15}}

| size =

| appmag_v =

| appmag_b = 15.36

| absmag_v =

| size_v =

| notes =

| names = {{odlist|UGC=|GSC=05856-01688|PGC=170023}}{{cite simbad|title=LEDA 170023|access-date=2023-05-05}}

}}

NGC 734 is a lenticular galaxy with a central bar in the constellation Cetus, which is about 538 million light years from the Milky Way. It was discovered on November 9, 1885, by the American astronomer Francis Preserved Leavenworth.{{Cite web|url=https://in-the-sky.org/data/object.php?id=NGC734|title=The galaxy NGC 734 - In-The-Sky.org|last=Ford|first=Dominic|website=in-the-sky.org|language=en|access-date=2020-03-29}}{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+734&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=2020-03-29}}

NGC 734 was identified as PGC 170023, but is often misidentified as PGC 7121.{{Cite web |title=New General Catalog Objects: NGC 700 - 749 |url=https://cseligman.com/text/atlas/ngc7.htm#734 |access-date=2023-06-05 |website=cseligman.com}} SIMBAD also shows the position of NGC 734 as PGC 7121.