This shot is a 2 image mosaic of the Veil Nebula taken from my back yard in bortle 8 skies. I used the Takahashi FSQ106 with a 0.73 reducer and the ASI 1600mm camera with the Ha and O3 filters. Here is a link to a larger version. https://pbase.com/hobbynaut/image/172597734. All the info on how many subs I took is availabe in the larger version.