Sharpless 171

A plain H-alpha image of the central region of Sharpless 171 (Sh2-171). This busy region is surrounded by another ring of gas, not visible in this frame. Composed of a total of 4.5 hours of 10 min exposures from my backyard. A first test of the 0.79 Reducer from TS… stars are looking good already. […]


This is NGC7822, a young and star forming region in Cepheus, also containing Sh2-171. Usually a target for false-color narrowband imaging, which nicely highlights the structures and pillars within the cloud. This, however, is a pure LRGB image in ‘natural’ colors. During processing I reduced the green component somewhat, which leads to a cooler colour […]