RCW 75 (also known as Gum 48a) is a seldom imaged emission nebula (a large H II region) in the constellation Centaurus. It is located in the southern part of the constellation midway between the bright stars Hadar and Acrux. The distance to RCW 75 is estimated to be not less than 6520 light years; This complex appears physically associated with the open cluster Stock 16. The nebulosity would also associated with the reflection nebula vdBH 60
Imaged in SHO narrowband on our RiDK 400 at El Sauce, Obstech, Chile
Integration Time 30 hours
Image Processing: Mike Selby