The Iris Nebula (NGC 7023) during the June heatwave in northern Germany. This reflection nebula is located about 1,300 ly from Earth, where a bright star illuminates the surrounding dust. This image was created over 4 consecutive nights from Bortle 5 with a total exposure time of 5 h 21 m 30 s (643 x 30 s). For more information see: https://www.picturavis.com/picture?/487/category/37-astrophotography #astrophotography #photography #nebula #IrisNebula #Siril #GraXpert #StarNet #VeraLux #digiKam