M27 – The American Dumbbell (HOO I Call Bob)

by Bob Meincke

Objects in field: Dumbbell Nebula, M 27, NGC 6853, The star 14 Vul

Equipment: Sky-Watcher Esprit 120ED, ZWO ASI2600MM Pro

Integration: 17h 20m

M27 – The American Dumbbell (HOO I Call Bob) A narrowband view of the Dumbbell Nebula (M27) highlighting the layered structure of this planetary nebula: the oxygen-rich inner bubble surrounded by the hydrogen shock shell and faint outer halo. The nebula was processed in an HOO palette (Ha → R, OIII → G/B). To preserve the internal stellar field and maintain the natural gas gradients, the nebula…