Thank you Iria.
Acquisition software was Sequence Generator Pro, processed with PixInsight.
Here are the full details:
Imaged January 19th and 20th 2018, near Cambridge UK.
Image Details:
4 hours 50 mins total exposure.
12 x 600s Luminance 1x1 (2 hours)
11 x 300s Red 1x1 (55mins)
12 x 300s Green 1x1 (1 hours)
11 x 300s Blue 1x1 (55mins)
Scope - Altair Astro Wave Series 115mm Refractor, Planostar 0.79x reduced to 642mm/F5.54.
Sensor - Atik 383l+ Mono CCD + Baader Ha/OIII/SII filters. -20degC.
Scale - 1.73 arcsec/pixel.
Mount - Altair Astro Pier mounted iOptron CEM60.
Guiding - Lodestar X2 and SX OAG with PHD2.
Sequence Generator Pro and PixInsight.