RCW 75

Rcw 75, it is 7 hours and 40 minutes of integration in HSO with CHI-1-CMOS telescope, RCW 75 is an emission nebula visible in the constellation of Centaurus. RCW 75 is a large H II region located on the Sagittarius Arm at a distance of no less than 2000 parsecs (6520 light years); it appears physically associated with the open cluster Stock 16, from whose more massive stars it is ionized