Our neighbor – Pinwheel Galaxy (M33). This is second nearest galaxy to our Milky way. It’s smaller than our galaxy – only about 100 billion stars (as compared to about 400 billion stars for Milky Way). The pink sections are nebulae in that galaxy. The blue dots are brighter stars and clusters of hot stars. This galaxy is about 3 million light years away. Exposure time – 11 hours (23 luminance images of 20 minutes, 7 each RGB images of 10 minutes each).