The short nights of spring reveal a view unobstructed by the Milky Way, with slim pickings for wide-angle astrophotography. But there are some distant giants to be seen. The Pinwheel galaxy is one of them.
The massive galaxy stretches 180,000 light-years edge to edge. Despite this vast size, the face-on nature of the galaxy, and the huge distance, make it a appear quite dim. The combined light of a trillion suns barely registering on the 30 second exposures. The combined time of 30 minutes in the stacked image above reveals more…
The spiral structure of the galaxy, and the many bright nebulous regions within can be seen. Also revealed are dozens of the smaller galaxies residing in the area. Alhough these can be tricky to distinguish from the bloated stars, a problem made worse by the stacking process.