14 Oct 2025
Captured by Telescope Live, processed by Cosmin Batica (CBAstro)
Two colossal dragons of gas and fire clash in the southern constellation Ara — a stellar battlefield where creation and destruction intertwine.
This is RCW 108, a vast H II region at the edge of the Ara OB1 association, where powerful stellar winds and ultraviolet radiation carve the surrounding molecular clouds into magnificent, flame-like structures.
Rendered in the SHO palette, this deep narrowband composition reveals the nebula’s elemental anatomy:
Sulfur-II (SII) blazes in red and orange — the scorching breath of the dragons.
Hydrogen-alpha (Ha) burns golden through the dense molecular ridges.
Oxygen-III (OIII) paints ethereal cyan tones — the cooling plasma of ancient stellar outflows.
With over 10 hours of integration, this image captures both the raw violence and delicate beauty of star formation — a moment frozen between chaos and creation, where the cosmos itself seems to breathe fire.
RCW 108
7 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| OIII | 286 | 3h25m | 43 |
| Halpha | 307 | 3h40m | 43 |
| SII | 307 | 3h35m | 42 |