Arp-Madore 2

{{Short description|Open cluster in Puppis}}

{{Other uses|AM2 (disambiguation)}}

{{Infobox open cluster|

| name = Arp-Madore 2

| image =

| epoch = J2000.0

| constellation = Puppis

| class = open cluster

| ra = {{RA|07|38|46}}

| dec = {{DEC|-33|50|36}}

| dist_ly = 30,000 ly

| dist_pc = 9197 pc

| appmag_v =

| size_v =

| mass_kg =

| mass_msol =

| radius_ly =

| v_hb =

| age =

| notes =

| names = AM 2, ESO 368-SC 07, IAU cluster number C0737-337 }}

Arp-Madore 2 (also known as AM 2) is an open cluster of stars in the constellation of Puppis. It is almost 30,000 light-years away and about 5 billion years old.{{cite journal

| last=Lee | first=Myung Gyoon | title=UBVI CCD Photometry of the Remote Old Open Cluster AM-2

| journal=Astronomical Journal | volume=113

| pages=729–739 |date=February 1997

| doi=10.1086/118292 | bibcode=1997AJ....113..729L | doi-access=free }}