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Your Mak is a bit slower than ideal for photography (at f/11), which means you'd need very long exposures (4x as long as an f/5.6 refractor), and very good tracking & guiding - especially at the 1500 mm focal length.
It's doable but most people (myself included) find it a bit frustrating to spend night after night getting no reasonable data to tiny problems, like having a number slightly off in the guide settings.
Also, the camera you're looking at has a smaller sensor so you'd want a scope with a shorter focal length to fit an entire object (eg nebula) into one frame.
Something like a 60 or 80 mm apo refractor is a popular way for people to start out - and for good reason too!
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