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That's what the finder scope is for. Using charts and the finder scope you can find anything.
The other way is with more $ and install digital setting circles which make the scope "push-to" after the scope's been aligned and you've entered the object you want to see. You can also make a set of manual setting circles for a dob and then use your PC, tablet or smart phone to give you the appropriate coordinates for you scope. Plenty of info here in IIS for this too. Very cost effective too, but requires you to do all the work to make the graded scales.
Many folks install these digital setting circles and swear by them. I started with just a finder and still do 30 years later. It is all upto you. The amount of $ is also variable on these systems, but they all work very well.
Again, you'd see all of this at an astro meet.
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