This image shows the famous Bubble nebula (NGC 7635) and the nearby emission nebula SH2-157.
Equipment used:
TMB-92SS telescope
QSI-583ws CCD camera
Exposures:
18 x 15 min Ha
8 x 15 min OIII
4 x 15 min SII
6 x 10 min R,G,B
68 x 5 min L
Total: 16 hours