2015-07-06, noctilucent clouds Posted on 07/07/2015 by Jaap A brief display of noctilucent clouds as seen through my bedroom window. It only lasted for 10 minutes. 2015-07-06, 21.55 UT, Canon EOS 5Dii and Sigma 50mm/F.14 (ART) @F2.8, 2.5sec, ISO800.