Omega Nebula (M17)

Captured from the skies of the United Arab Emirates 🇦🇪, this image showcases the Omega Nebula (Messier 17) in stunning detail. Known as the Swan or Lobster Nebula, M17 is a massive region of active star formation located in the constellation Sagittarius, about 5,500 light-years away.

To reveal the intricate gas structures and dust lanes, I used narrowband filters in Hydrogen-Alpha (Ha) and Oxygen III (OIII) and combined them in an HHO palette. The HOO combination did not highlight the faint extended gas as clearly, so I opted for HHO to emphasize the nebula’s rich textures.

This deep exposure brings out the emission regions and the surrounding wisps of interstellar gas, making the Omega Nebula appear almost alive against the dark backdrop of space.

- Telescope: Explore Scientific 152mm David H. Levy Comet Hunter Maksutov-Newtonian
- Camera: ZWO ASI183MM Pro (cooled)
- Mount: iOptron HAE43
- Filters: H-alpha, OIII
- Guiding & Control: ASIAir Plus

Processing: PixInsight and Photoshop

Image Detail:
Ha: 92 x 180 sec (4h 36m)
OIII: 59 x 180 sec (2h 57m)
Total: 7h 33m