Catalogue
Prawn Nebula
An emission nebula so faint, most have never even heard of it.
Raw → Processed
Annotated field
Catalogue labels plate-solved over the same frame
Glowing in hydrogen-alpha red across 250 light-years of space, IC 4628 sits about 6,000 light-years away in Scorpius. The gas here is ionised by a handful of hot, young OB stars embedded within, invisible to the eye, but their energy lights up the entire cloud.