Hi @QFGlenn, lots of questions !!
So, I have a belt driven HEQ5 equatorial mount, so that helps with tracking and getting longer exposures, I also use guiding usually so that helps allow 5+ minute exposures on deep sky stuff.
I have a couple of dedicated astronomy camera’s that connect directly to the telescope, so they replace the eyepiece. The telescope in the pic is an F5 200mm Newtonian, so 1000mm focal length. Most of my deep sky stuff was done using a 73mm Refractor I have had since last year, the Newt is a new addition the the collection
That 10" dobby of yours is a nice big aperture and superb for visual, you should be able to do some planetary but deep sky stuff needs a motorized EQ really.
Check out this article, might give you some idea’s on how to get some planetary images with your scope. Taking a video and then stacking using some free software is the key !!