www.astrobin.com/a6yw4n/ It’s all about the NGC 7538 region in the constellation Cepheus.This region of active star formation is located about 9,100 light-years from Earth. The picture is a result of more than 78 hours of integration time in narrow band and rgb channels.I could say that is a more complicated target than I thought at … Continue reading Sh2-158 and Sh2-161b