NGC 456

{{Short description|Emission nebula in the constellation Tucana}}

{{Infobox open cluster

| name = NGC 456

| image = File:NGC 456 NGC 460 NGC 465 DECam.jpg

| caption =NGC 456 is the nebula on the right. NGC 460 is the nebula in the middle and NGC 465 is the cluster of stars on the left.

| credit =

| epoch = J2000

| constellation = Tucana

| ra = {{RA|01|13|44.4}}{{cite simbad|title=NGC 456|access-date=9 May 2017}}

| dec = {{DEC|-73|17|26}}

| dist_ly =

| appmag_v =

| size_v = 3.3{{prime}} × 2.7{{prime}}

| mass_msol =

| age =

| notes =

| names = Kron 65, Lindsay 94, DEM-S 147, ESO 29-38, LHA 115-N 83.

|image_size=250}}

NGC 456 is a nebula with an open cluster located in the constellation Tucana.{{Cite web|title=NGC 456 – Astrodrudis|url=https://astrodrudis.com/astrogallery/ngc-456/|access-date=2020-06-14|language=en-US}} It was discovered on August 1, 1826, by James Dunlop. It was described by Dreyer as "pretty faint, pretty large, irregularly round, mottled but not resolved, 1st of several."{{cite web|title=New General Catalog Objects: NGC 450 - 499|url=http://cseligman.com/text/atlas/ngc4a.htm#456|publisher=Cseligman|access-date=May 9, 2017}}