This is my first attempt at this double cluster.
It was totally un intended as a target because I was waiting for the clouds to move on for the evening which eventually they did.
Pretty much straight forward processing except most of the pre processing was on the linear image.
I used HDRWavelet transform (6 layers,1 iterations with deringing to lightness to mask),color calibration, DBE, and masked stretch in linear.
Saturation boost ,ACDNR ,unsharp mask and star reduction after the stretch.
http://i201.photobucket.com/albums/aa283/kwalker50/doubleclusterinperseus.jpg