IC 4592

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

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The distinct blue eyed ( Nu Scorpii ) 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.