Murphy's law is such when if it isn't cloudy then the seeing has to be as calm a pot of boiling water. Anyway despite the 3 arc sec stars I was happy to finally give my languishing AstroDon's and external guider a bit of a run.
Have to say the un-attenuated guide stars made life so much easier.
Guide stars a plenty
The field is very similar to M&T's recent post...but the exposure is a little longer.
Interestingly the 50mm square AstroDons give brighter stars orthogonal spikes to the secondary spider variety, something I had not really noticed with 65mm filters...but they do not seem to suffer much from halos or reflections, which was nice to (not) see.
My take of M17 is here