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Hi Shawn
I use the star adventure 2i pro
with a Nikon D850 and a Tamron 150 600 lens without any guider
and just use a Monfrotto 190 pro tripod
i have had some pretty good success with this set up
the red cat is a similar weight (Tamron 1950grm Redcat 1800grm) you might find you will need a little extra counter weight you can buy these but I just made one out of lead.
The cannon 80D would be more than capable of giving you some great images, it has live view so easy to fine tune your focus on stars with a Bahtinov mask
the 2i Pro is light portable easy to set up, once you get the hang of it takes 15 mins
I find tracking for exposures of 20 to 30 seconds will give you up to 80% keepers
but start pushing it over 40 seconds and that drops a fair bit maybe 50% I hear guiding helps a lot and people can get over a minuet
if its windy forget it.
I set up with a compass and just eyeball the needle to south strait thro the middle of the 2iPro. Then use one of the little LED levels you can buy for around 25 bucks place it on top of the 2i Pro and set your latitude to the correct degrees I usually find that’s close enough to have octans in the view finder for fine tuning
I also made a plywood shelf that attaches to the trip pod legs using small truss clamps this makes for a pretty steady tripod
one little niggle I had was if you play around with the wifi settings it remembers them, so when you switch back to star tracking it will only track to the last wifi setting
You need reset the 2ipro by pressing and holding the 2 buttons until they flash then it will track for as long as you want
hope this help you out a little
kind regard’s
mick
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