4x20 minutes and 13x30 minutes for a total of 470 minutes of exposure binned 2x2. Celestron 8" Edge@ 2154mm/F10.6 STT-8300M and AO-8 MI-250 mount with SiTech control. Acquired, Calibrated, Stacked, DDP filter in MaximDL7 Additional processing in PixInsight and Photoshop.