The Veil Nebula is roughly 2,400 light-years away in the constellation Cygnus. It is the remnants of a star that was roughly 20 times as big as our sun and exploded about 10,000 years ago.

Helix Nebula: This a planetary nebula, which is formed when a star like the Sun runs out of fuel, expands and its outer layers puff off, and then the core of the star shrinks. Orion Nebula ...