Shaped like a dumbbell the gas and debris has been expanding out of the dying star in the exact center of the nebulosity for 48,000 years. Note the green color of the double ionized oxygen present in the expanding gas.

12 1/2″ Ritchey Chretien Telescope with an ST8e/CFW8 F/7 LRGB (3/5min B/W, 1/5min 2×2 bin RGB)