(Updated Dec. 2017) I have photographed the Iris Nebula many times – probably more than any other target, partly because I like it so much, but also because it’s difficult to capture.  Each of my attempts has been a little better than the last, so I will probably continue to shoot it. In this case I used LRGB capture, with far more emphasis on the L.  That provides a lot of information in the dim dust areas, but it’s not quite as sharp as I would like it to be, and that’s partly because the AT111EDT telescope has a bit […]