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So I have two guiding setups.
1. ASI 290MM Mini with a 50mm SkyWatcher guidescope
2. Another ASI 290MM Mini with the William Optic 32mm guidescope
It's obvious, but the 50mm scope gives me much better star selection. It just lets more light in. With the WO I can tell the difference when I start taking frames compared to the other scope. It's dimmer, and stars aren't as punchy.
I also find getting focus with that scope a bit harder than the SkyWatcher
That said, it's a great size for a portable solution. But my advice would always be to go for more aperture, yes even on the guide scope.
As for the camera, the 120MM Mini is a good camera, but that 290MM is super super sensitive.
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