Yup, no idea what GP is talking about, most dobs aren't really great for AP since the focal plane isn't in the right location. I'm a huge photo-nerd but I took

Yup, no idea what GP is talking about, most dobs aren't really great for AP since the focal plane isn't in the right location. I'm a huge photo-nerd but I took one look at AP and was like "nope!" for the exact above reasons + extremely long capture times. We're talking hours of frames to see some things.