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I sort of feel your picking a hard place to start. That long focal length scope does require guiding from its light path as indicated by the others, but it has a narrow field of view, which can make finding a suitable guide star a complication. Do you have a reducer for it? Which would widen your field of view, and make imaging a little faster (shortening the focal length). Obviously it can be done, people do it, but it increases complexity for someone starting out with guided imaging.
The easier path is to start with a dedicated guide scope on a shorter focal length scope, match the guide scope fl to the main scope. For example, a 60mm f5 guide scope on a wide field f5 refractor or newt, this allows you to learn how to use guide software, and integration with your imaging app and mount control. But that's just an opinion, maybe you have all that covered already. Research, as you stated, will help alot.
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