Last night I imaged the Propeller nebula, DWB111,118 and 119. I used a Starlight Xpress H694 with my Altairastro 102 Wave refractor and my Cem60ec. 30*120s Ha and 20*120s with red, green and blue, all unguided. 3 hours in total.
Processed as HaRGB using Pixinsight entirely using the narrowband combination script to combine Ha with the red channel. The stars were removed first as the Ha stars are much smaller than the RGB ones. This target is extremely strong in Ha. The RGB stars produce a natural star colour. They were reduced somewhat to stop them detracting from the Propeller.
Click on the image to get a closer view
The Propeller nebula
Anne Startup
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