AAPOD2 Image Archives
The Southern Celestial Serpent – Interstellar Cirrus in the Deep South
Winding like a ghostly dragon through the southern sky, this faint interstellar cloud complex, nicknamed the Southern Celestial Serpent, was captured in remarkable detail over 33 hours of exposure. These wispy tendrils belong to an Integrated Flux Nebula (IFN), a diffuse structure composed of dust and gas not directly illuminated by nearby stars but instead faintly glowing from the combined starlight of the Milky Way itself.
This elusive serpent is one of the southern sky's most delicate features, requiring exceptionally dark skies and long integration times to reveal. Unlike traditional nebulae found within the galactic plane, IFNs like this one reside high above it, reflecting the galaxy's integrated light. Their complex filaments are thought to be remnants of ancient interstellar matter, shaped by magnetic fields and stellar winds over millions of years.