Great first shots!
You can try use a clothing peg on your focuser knob. Since you're turning the focuser from a larger diameter you'll be able to focus much easier!
You also dont shake the scope so much when adjusting the focus.
One of the coolest tricks I've learnt so far.
A bahtinov mask can also be very handy to get the focus spot on. I dont know if it's a good idea to focus on a binary star though, but i might be wrong.
With an 8" SCT you'll be able to capture a fair bit of detail in m42.
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