+10 years since the last post. IT LIVES !! I highly respect this discussion .One that google picked up very early .+ After viewing the brightest members of this Super cluster including IC4765and a poor go at imaging it through Zamar 2 years ago , we recently have returned from Blackall QLD where 5 hours of exposure through my recently acquired Skyrover 102mm pro Apo has given pleasing results.
https://astrob.in/eyg1yb/0/ There are no less than 261 galaxies captured. Mega Awe and wonder Folks.!!!