Look closely at some of the stars and try to find all the galaxies.
Some are hard to find as you have to make a choice to show the main subject (M51) or the galaxies.
There is one star in the lower left half that is interesting.
M51- April 2021 Imaged From Anthem AZ Astro Physics StarFire 102 CGE/G11 Mounts ASI6200MM Cooled Camera ASI174MM (Guide Camera) Optec 3in TCFSi Optec 2in IFW Optec Sagita Off Axis Guider LRGB filters by Optec. R 16 Frames x 1800 Seconds -15C 1x1 bin G 14 Frames x 1800 Seconds -15C 1x1 bin B 15 Frames x 1800 Seconds -15C 1x1 bin L 13 Frames x 1800 Seconds -15C 1x1 bin SGPro For Capture
Copy Right Steven Ruttenberg 2021 Steves 4x5 Photography 2021