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My sort of work flow (it changes a bit except for calibration) I don't really do processing the same way each time in PS simply because each data set has different characteristics. Anyway here is what I do (sort of).
Calibrate data set (one filter set)
Register
Normalise
Data reject
Combine (either sum or median) To data I have not found mean helpful but I might take a look at this with a current data set.
Once I have data set calibrated I register with my base image which will also be a luminance set. Sometimes I create a luminance set of all the data including NB and broadband data. It is unorthodox but I found it creates an interesting detail layer set.
Once I registered I create a base image.
I then take it into PS and work the data further. I rarely use noise correction due the sheer volume of data I gather. If I do use noise reduction it is via inverted reveal masking and it is very slight. I have had to do this with the Helix image I posted despite the amount of data. Subsequent data runs on that object I hope will alleviate the need to do that.
I use a lot of masking techniques and nothing as a set regime. Each image has its own work flow and controls. Some of those masks are contrasting, sharpening, star saturation, object saturation and detail masking. One thing I do is do each mask separately and then flatten it. I don't like to stack masks one on top of the other. I see each image as an individual creation and if I get it wrong I just back to prior to that event to remove the mask.
Greg with regard to your not being able to open more frames you need to look at the memory setting in CCDstack. I have mine set to 8 gig and it opens 60 odd hours of data without any issue. Mind you I have 16 gig of memory to work with on my machine. I could use up to 11 gig of that data to run CCDstack. Ring me if you need further explanation.
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