Date Posted: 2/2/2019
Date Taken: 7/14/2018, 7/18/2018, 8/14/2018, 9/5/2018, 9/6/2018
Scope: Planewave CDK 12.5 f/8, 2541mm
Camera: SBIG STL-11000 with Astrodon Tru-Balance E-Series Gen2 filters
Temp: -15C
Mount: Losmandy Titan
Guiding: On-axis via ONAG-XM and SX UltraStar at 2541mm. FocusLock real-time focus for focusing.
Exposure: LRGB 310:170:135:155 All subs 5 min. Luminance unbinned, RGB binned 2x2.
Calibrated and Stacked with CCDStack2; RGB combine and DDP with MaximDL. Processed with CS4.
I finally have an image of the Cocoon Nebula that I am happy with. My previous attempt with the Planewave was when I first got it, and I had both collimation and tracking issues with that one.

This is a crop oof the previous image, with a bit of additional color adjustment.