Managed to put together my first LRGB image today. I decided to give NGC5139 a try last night due to the near full moon and dewy conditions. I captured 12x5min Lum and 4x2min RGB binned 2x2 before it disappeared behind the trees - that was the easy part. Had to take more Darks and Bias frames today and then work out how to align the binned RGB images with the unbinned Lum. Luckily Pixinsight makes this pretty straightforward.
So here it is - not pretty but at least it has some colour and although I need to touch up the colimation the stars aligned!
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