NGC 3242, The Ghost of Jupiter Planetary Nebula

Located in Hydra, just barely high enough for me to grab about 20 minutes worth of photons before it dips below my roofline.

This is the remains of a star pretty similar to our own-once they burn up their fuel, they become red giants, and blow away most of their mass in these lovely shells of gas lit from within, this one by a white dwarf star that is all that remains of the original. In spite of its name, it's about half the apparent size of Jupiter, and totally unlike it in color. It is called the Eye Nebula often, but that too is confusing, as the name is also used elsewhere. You can catch this with binoculars in a dark sky, which is not bad considering that it's 1,400 light years away.