J-P METSAVAINIO / SCIENCE PHOTO LIBRARY J-P METSAVAINIO / SCIENCE PHOTO LIBRARY
Heart nebula (IC 1805). At the centre of this nebula is the star cluster Melotte 15. The hot young stars within the cluster ionise hydrogen gas in the nebula, causing it to glow. The nebula lies around 7000 light years from Earth in the constellation Cassiopeia.
Model release not required. Property release not required.