NGC 688

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

{{Infobox Galaxy

| name = NGC 688

| image = 250px

| upright = 1.15

| caption = Pan-STARRS image of NGC 688

| constellation name = Triangulum

| epoch = J2000

| type = SBb{{cite web

| title=SIMBAD Astronomical Database

| work=Results for NGC 688

| url=http://simbad.u-strasbg.fr/simbad/

| access-date=2018-11-19}} (R')SAB(rs)b

| ra = {{RA|01|50|44.2}}

| dec = {{DEC|35|17|04}}

| dist_ly = {{convert|59.2|Mpc|Mly|abbr=on|lk=on|order=flip}}{{cite web

| title=NASA/IPAC Extragalactic Database

| work=Results for NGC 688

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

| access-date=2018-11-19}}

| z = 0.013846

| h_radial_v = 4151 km/s

| group_cluster = Abell 262

| appmag_v = 13.35

| size_v = 2.5 x 1.5

| size=~{{convert|45|kpc|ly|abbr=on|lk=on|order=flip}} (estimated)

| names = CGCG 522-20, IRAS 01478+3502, KUG 0147+350, MCG 6-5-15, Mrk 1009, PGC 6799, UGC 1302

}}

NGC 688 is a barred spiral galaxy{{Cite news|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+0688&QueryType=ned|title=NGC 0688|access-date=2018-11-20}}{{Cite web|url=http://leda.univ-lyon1.fr/ledacat.cgi?PGC+006799++++++++++++++++++++|title=HyperLeda -object description|website=leda.univ-lyon1.fr|access-date=2018-11-20}} with starburst activity located 190 million light-years away{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+0688&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=2018-11-20}} in the constellation Triangulum. It was discovered by astronomer Heinrich d'Arrest on September 16, 1865{{Cite web|url=http://cseligman.com/text/atlas/ngc6a.htm#688|title=New General Catalog Objects: NGC 650 - 699|website=cseligman.com|language=en-US|access-date=2018-11-14}} and is a member of the galaxy cluster Abell 262.{{Cite journal|last1=P.|first1=Fouque|last2=E.|first2=Gourgoulhon|last3=P.|first3=Chamaraux|last4=G.|first4=Paturel|date=May 1992|title=Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members|journal=Astronomy and Astrophysics Supplement Series|language=en|volume=93|pages=211|issn=0365-0138|bibcode=1992A&AS...93..211F}}{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+0688|title=Detailed Object Classifications|website=ned.ipac.caltech.edu|access-date=2018-11-20}}{{Cite news|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+++688&NbIdent=query_hlinks&Coord=01+50+44.1670610061+35+17+04.408039437&parents=5&submit=parents&siblings=164&hlinksdisplay=h_all|title=NGC 688|access-date=2018-11-20}}