This is an image of NGC6559 which is located in Sagittarius at a distance of around 5000 light years.
The area contains quite a few types of nebula with emission, reflection and dark nebula being present. It is quite a pretty area.
The image contains 16.25 hours of data with the following make up:
570 minutes of luminance.
90 minutes of Ha
90 minutes of red
105 minutes of blue
120 minutes of green
Image was taken with GSO RC, STXL11002 with AOX and PME.
I have been wanting to take an image at a tighter image scale for some time. What I found is that guide stars for the AOX are not plentiful so the composition is not really to my liking. I will probably try imaging this object with the Newtonian once I have that up and running as I am sure I will have brighter guide stars to choose from.
Click here for larger resolution image.
Edit. I have reprocessed the data set. I was not happy with the blues.
Edit again: Added the tighter crop discussed below.