Beautiful set Justin!
FWIW , just to add to the spider vane discussion, here is the same
effect on one of my shots:
http://www.iceinspace.com.au/forum/s...50&postcount=1
Definitely caused by non-symmetrical vanes, (2nd shot shows no assymetry)
-same target.
As for spikes in general...I love spikes on Pleiades shots!
Steve