@stro object for the week of 9/20/1999
courtesy of HST/SEDS
known as the "Ring Nebula", this planetary nebula is located
in the constellation Lyra and gets its name for obvious reasons.
This nebula is thought to closely resemble the shape of the Dumbell
Nebula, but we view them from different angles. The outer shell
of material is lit by energy from the central star, which you can
see in the middle of the ring. Current physical information: