[gregbradley]

Great detail and colour and you got some of that extra halo starting to show through. Very nice.

Aperture, F ratio and camera QE are a like a triangle for imaging speed. I have been impressed by how fast the Honders accumulates data with the Trius.

Of course every system has its advantages and disadvantages but there are quite a few scopes these days that have both aperture and fast F ratio. IDK,Harmer Wynne astrographs, Officina Stellare, OOUK, AP RHA are a few. Ceravolo F3.9 300mm was one of the first. I have often wondered do you get the same result of long focal length by using a small sensor on a fast scope. So far my experience is that it is similar but there is no substitute for aperture at the end of the day (or darks skies!). But fast wide aperture scopes like Mikes Astrograph or my Honders with a smaller chip with smaller pixels seems a little less sensitive to seeing than longer focal length with larger pixels. I am not 100% sure of that but so far it seems it is.

Greg.