Emission nebula

The nebula known as IC 410 is home to a pair of intriguing structures popularly known as the "tadpoles." These are clumps of gas and dust left over from the formation of the cluster, and are likely forming yet new stars within them.

The Flaming Star Nebula (also known as the IC 405, SH 2-229, or Caldwell 31) is an emission/reflection nebula in the constellation Auriga, surrounding the bluish star AE Aurigae.

The Crescent Nebula is a beautiful emission nebula in the constellation Cygnus, about 5000 light-years away. Also known as NGC 6888, Caldwell 27, Sharpless 105.