21 Apr 2024
RCW 61 forms the feet of the Running Chicken nebula complex.
According to Avedisova, RCW 61 is ionised by three O9 giant stars: HD 100099 (O9 III), CD -62 535 (O9 II) and HD 100444 (O9 II), as well as three B-class stars. (SIMBAD reports that CD -62 535 and HD 100444 are the same star.)
IC 2944
5 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| OIII | 560 | 2h20m | 15 |
| Halpha | 643 | 2h30m | 14 |
| SII | 600 | 2h20m | 14 |