Resources for Naked-Eye and Small-Scope Observing

Allan Dystrup’s Classic Rich Field, and more A few years ago, Cloudy Nights user Allan Dystrup started a thread called “Classic Rich Field“. It’s mostly about OB associations, and the early observations were all done with a Vixen 55mm f/8 scope. Later observations were done with classic refractors of up to 4” aperture, and included […]