One of my very favorite objects is a difficult one to image without filters--the Horsehead Nebula in Orion. Here are two images taken from CSO. One is with a William Optics 61 mm refractor, the other with an 8 inch Newtonian astrograph. As you can see, the WO scope has a much wider field and captures other nebulas in the same area of sky, like the Flame. The Newt has a nice focus on the Horsehead and its environs. These images were captured with an Optolong L-eNhance filter.
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