Vorauswahl: Insight Astronomy Photographer of the Year 2017

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A Battle We Are Losing © Haitong Yu (China)
"The Milky Way rises ominously above a small radio telescope from a large array at Miyun Station, National Astronomical Observatory of China, in the suburbs of Beijing. The image depicts the ever-growing light pollution we now experience, which together with electromagnetic noise has turned many optical and radio observatories near cities both blind and deaf – a battle that inspired the photographer’s title of the shot. The image used a light pollution filter (iOptron L-Pro) and multiple frame stacking to get the most of the Milky Way out of the city light."
Beijing, China, 2 March 2017
Sony A7s camera, 55 mm f/1.8 lens, ISO 6400, 10-second exposure