Thor’s Helmet Nebula

Incredible Astrophoto: Thor’s Helmet in Canis Major

by Nancy Atkinson January 25, 2013

At first glance, you might expect this beautiful image to be from a big ground-based observatory or even one of the space telescopes. But this image was taken by “amateur” astronomer Rolf Wahl Olsen. We’ve featured his work before, and he’s done amazing stuff – such as the first amateur image of another solar system […]

3 comments Read the full article →