sxv-h9 vs qhy9

[R26 oldtimer]

With the recent advances in CMOS technology and the subsequent CCD selling spree, I found myself owning an sxv-h9 mono and a couple of months later a mono qhy9.

Of course, the qhy camera is better and it will be my main imaging device but what I really want to know is, if there is any point in keeping the sxv-h9? Is there any kind of target which would be better imaged with the smaller but more sensitive sxv?

My focal lengths vary from 200mm to 900mm

[Craney]

Small planetary nebula require longer focal lengths to bring out any detail and tend to be narrowband targets, so mono is beneficial.  Some also display very large ranges in brightness from their cores outwards and are easier to process if you have lots of shorter subs, hence a small sensitive chip is very useful.  I have an atik 414mono and it works very well.