This came up again on Cloudy Nights today so I decided to adapt some posts I had written previously on Cloudy Nights for this website.
The result is here:
http://astroimages.weebly.com/does-mono-take-more-time.html
As far as my imaging goes, last night was better than expected. I think I got some reasonably good data on Messier 92 but I haven't started processing it yet.