M13 is now at a good point, high up at night. A quick (very quick) look at this bauble.

https://www.astromart.com/common/ima...7.jpg&caption=

AP 17" F8 Astrograph
STL11K camera
Single 5 minute Luminance exposure
AP1600 mount

Can you find the very small background galaxy in this image? It's at magnitude 18.