10in SCT and AA9 vs the DSS

[Dunmunro]

Here I compare my 10in F8 (see previous post for details) system with a stack of 51 x 5 min exposures, Full Frame autofocused and autoguided (via an OAG) with AA9 to the DSS, centred on the emission nebula Sharpless 223. I have yet to run flats with this setup so it's not yet possible to boost the red intensity to match the DSS image: