I'm quite pleased with this image of the Pinwheel Galaxy given that I took it with a DSLR and telephoto lens! Found it "by hand" too. My polar alignment looked great but in a test image I found that a 5 minute sub was leaving trails, so I reduced exposures to 1 minute.
Camera: Canon EOS Rebel T7i
Lens: Tamron 100-400mm f/4.5-6.3 Di VC USD
Tracker: iOptron SkyGuider
Focal length: 400mm
Exposure time: 60 seconds x 83 = 1hr, 23min.