Mar 17 M51 Whirlpool Galaxy Date: Mar 17, 2017 Categories: Deep Sky Objects Galaxies Comments:0 M51 Whirlpool Galaxy, 23 million LY estimated distance, 60’000 LY diameter. Cropped image. f/5.6 Details Like this:Like Loading... Related Posts M13 Hercules Cluster IC405 Flaming Star Nebula NGC1499 2016-2017 NGC1499 California Nebula