This is the guys details. quote:Imaged from home near downtown Sacramento, CA, this is a combination of 100 minutes each exposures through Astrodon Ha, SII and OIII filters and STL-11000xm. New TOA-150 scope with field flattener on Paramount ME was guided via STL-402 on Tak FS60c. Darks, flats, registration and combining done in CCDStack. Color combining in Photoshop CS2, with levels, curves, NoiseNinja and secret sauce applied therewith, end quote.

I hope he wont mind me publishing it here.