IC 4592

{{Short description|Reflection nebula in the constellation of Scorpius}}

{{Infobox nebula

| name = IC 4592

| image = IC 4592 Blue Horsehead Nebula.jpg

| caption =

| type = reflection

| epoch = J2000

| ra = {{RA|16|11|58.6}}

| dec = {{DEC|-19|27|17}}

| dist_ly = 400

| appmag_v =

| size_v =

| constellation = Scorpius

| radius_ly = 40

| notes =

| names =IC 4592, Blue Horsehead Nebula

}}

IC 4592 (also known as the Blue Horsehead Nebula) is a reflection nebula in the constellation of Scorpius that is lit by Nu Scorpii.

File:Rho Ophiucus Widefield.jpg) Blue Horsehead Nebula can be seen in the lower part of this wide field image. The blue area at the back of the head is IC 4601. The large multicoloured area is the Rho Ophiuchi cloud complex, and the cloud in the top left corner is LBN 1093 and Sh2-1 with the bright star being Pi Scorpii and the yellowish cloud in the middle on the left being Sh2-7 with Dschubba at its center. ]]