Thanks Ed, Mike and Paul.
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One of the things that really impresses me about the image posters here (just one of the things ) is that you guys continually post shots that open my eyes to how many opportunities there are to shoot a fantastic shot. Objects that may have been seen in some form before, but never in quite the same colour, detail or perspective.
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Paul, the possibilities are endless really. I like mosaics at moderate focal lengths because they increase the resolution of the object compared to using a shorter lens. Unless you have a large aperture, short focal-length schmidt camera that is!
And this is one huge object. A mosaic at 900mm taking in the full nebula would be over 20 frames with the ST10, but it would possibly end up being the most detailed image of the entire nebula ever taken. That's the part that excites me the most. Amateurs can now take ground-breaking images. It's still a lot of effort, but it is possible to take images that are unique to the world and valid contributions to the global pool of astronomical images.