The “Helix” planetary nebula in Aquarius lies 694 ly away and is the closest known planetary to us. “Cometary knobs” can be seen inside the edge of the ring. A long 11 1/2 hour exposure was used to record the faint outer shell at the top.

PlaneWave 12.5″ Astrograph with an ST11000 camera, Astrodon filters, and ASA gearless DDM-85 mount. F/5 LRGB (56/8min L, 10/8min each 2×2 RGB).