RCW 103
| Supernova remnant | |
|---|---|
| Observation data: J2000 epoch | |
| Right ascension | 16h 17m 33.000s | 
| Declination | −51° 02′ 00.00″ | 
| Distance | 3,100–3,300 pc | 
| Constellation | Norma | 
RCW 103 is a supernova remnant with right ascension 16h17m30s and declination −51° 02′. It is approximately 2000 years old and contains x-ray source 1E 161348-5055 at its heart. It is 10,000 light years away in the constellation Norma (constellation).