The Rosette Nebula, with its inner star cluster NGC2244
A pseudo-HDR image because it's the combination of several developments from the same stacking result (could not bring out the colored nebula and master the stars in a single dev).
Gear: Olympus E-PL6 with Skywatcher 130PDS and CC on Omegon EQ-300 tracking RA
Capture: 10 × 60s × 3200iso, no darks/flats
Processing: Regim 3.4, Fotoxx 12.01+
Site: 50km from Paris, usually Bortle 4-5