I did the Fornax galaxy in late 2014 with my old scope (150mm f/5 Newt) from the suburbs, wasn't overjoyed with the result. Did it with my new scope (200mm f/5 Newt), sharper, but conditions still made me unhappy and gradients were a bit rubbish, so I've tried merging the two, just in Photoshop before reducing the noise in them. Slightly better, slightly more detail in the arms, and almost worth sharing
4 hours of 5-min exposures on two scopes, details in the larger view.
Larger view here.
Anyone else tried merging from two scopes in PI or PS?