M51 (also called the Whirlpool Galaxy) is a spiral galaxy roughly 23 million light years away. The galaxy and its interacting companion (NGC 5195) can easily be seen in small telescopes and even with binoculars on a dark night. As seen here, a large nebula extends beyond the much brighter spiral arms.
Date: March, 2014
Location: Green Valley, Arizona
Telescope: Takahashi FSQ-106EDX
Camera: SBIG STT-8300M
Filters: Astrodon Gen 2
Mount: AstroPhysics 1200
Exposure: LRGB = 380:120:120:120 minutes, all unbinned