The Heart Nebula, IC lies some 7500 light years away from Earth and is located in the Perseus arm of the Galaxy in the constellation Cassiopeia. I love the little penis tacked right onto the bottom of the heart. This nebula sends a really clear message.
This spectacular image from the NASA/ESA Hubble Space Telescope of the group of galaxies called Stephan's Quintet has provided a detailed view of one of the most exciting star forming regions in the local Universe.
Celestial Emissions - Eta Carina Nebula by Glowing regions of gas in our galaxy are known as emission nebulae. Imaging these nebulae through filters that only allow the passage of very specific wavelengths of light produces this type of image.