Thanks Greg and Ken - wish it was, but this is not the first
Rolf posted an image on IIS of the arc in Abell2667 circa 2014?
I did the same in 2015
http://www.iceinspace.com.au/forum/s...d.php?t=139749 and there are other examples out there.
I think that this one is by far the biggest to date though. cheers