No blue so had to synthesise that which is why the stars are uncoloured; there was a lot of green so I don't think the colours are too far out. It really needs a hypersensitive cooled DSLR to catch it properly but there you go.
I also didn't clean the filters quite as well as I thought.
(https://farm6.staticflickr.com/5562/14870595977_b1bcd11ab2_o.jpg)
40 mins of luminance + 24 mins red + 10 mins green + ahem blue
Robert
whats that brighter object about half way down on right?
roger
Blimey that's up close & personal.. very nice indeed.. well done - John
You got some nice detail in the tail. Good shot.
Nice one Robert
Very nice tail detail.