NGC 225

{{short description|Open cluster in the constellation Cassiopeia}}

{{Infobox cluster

| name = NGC 225

| image = 250px

| caption = NGC 225 in Cassiopeia

| epoch = J2000

| constellation = Cassiopeia{{cite book

| editor=R. W. Sinnott

| title= The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer

| date=1988

| publisher=Sky Publishing Corporation and Cambridge University Press

| isbn=978-0-933346-51-2}}

| ra = {{RA|00|43.7}}{{cite simbad

| title=NGC 225

| access-date=2006-05-29}}

| dec = {{DEC|+61|47}}

| dist_ly = 2200 ly

| dist_pc = 676 pc{{cite journal|doi=10.1093/mnras/stac1199|title=The young Galactic cluster NGC 225: Binary stars' content and total mass estimate |year=2022 |last1=Yalyalieva |first1=L. |last2=Carraro |first2=G. |last3=Glushkova |first3=E. |last4=Munari |first4=U. |last5=Ochner |first5=P. |journal=Monthly Notices of the Royal Astronomical Society |doi-access=free |arxiv=2204.12558 }}

| appmag_v = 7.0

| size_v = 12 arcminute

| notes = [http://www.univie.ac.at/webda/photos/ngc0225.jpg Image]

| names = Cr 7, C 0040+615 }}

NGC 225 is an open cluster in the constellation Cassiopeia. It is located roughly 2,200 light-years from Earth. It is about 100 to 150 million years old.

The binary fraction, or the fraction of stars that are multiple stars, is 0.52.