RCW 75 (also called Gum 48a) is H II region in Centaurus. Distance is 6200 light years. Contains Stock 16 which is a very young Galactic open cluster.
| Camera | STL-11000M | Scope | AT12 IN |
|---|---|---|---|
| Mount | Paramount ME | Guiding | Selfguide |
| Exposure | SHO 90:90:95 mins @ 5 min exposures @-10C Total 4:35 | Location | Donvale |
| Date | 2026-01-25 |