IC 4592：蓝马头反射星云
2023年9月26日 IC 4592: The Blue Horsehead Reflection Nebula Image Credit & Copyright: Antoine & Dalia Grelin Explanation: Do you see the horse’s head? What you are seeing is not the famous Horsehead nebula toward Orion, but rather a fainter nebula that only takes on a familiar form with deeper imaging. The main part of the here-imaged molecular ...