This image consists of 4 hours of luminance data with 1 hour each of RG data and 40 minutes of blue data.
Link to high resolution image here:
https://www.flickr.com/photos/134809.../in/datetaken/
As always advice appreciated.
Scope: TEC 140
Mount: AP 1100
Camera: SBIG STT-8300 with self-guiding filter wheel
Thanks
Mark