Started off the same way, what I found easiest in the beginning to save my knees was..
Download DSLR Controller software for android to your tablet or phone.
Connect canon cable from camera to tablet
When you start dslr controller, you can control exposure settings without touching the camera but you can now focus from your focuser as you can see what your camera sees on your tablet.
Slew to a bright star and there is a 5x and 10x mag button. Focus gently on the star. Once done go to 1x for normal view and adjust time and exposure settings.
You can preview the image on your tablet as well.
I have gone further and can now remote to camera with dslrcontroller and use a bahintov mask.
Remember to set camera to 10 sec countdown as that will eliminate shake.
https://dslrcontroller.com
Did below for wireless control of my eos.
https://dslrcontroller.com/guide-wifi_mr3040.php
Regards
Kon