Telescope: TEC140 f/5.2
Mount: Paramount MyT
Exposure: 12,5h L 37x600s, R 26x300s, G 26x300s, B 26x300s binx1
Date and place: 08.2019, Observatory E-EyE, Fregenal de la Sierra, Spain
IC 5146, The Cocoon nebula is nearly 15 light-years wide, located some 4,000 light years away. Like other star forming regions, it stands out in red, glowing, hydrogen gas excited by the young, hot stars and blue, dust-reflected starlight at the edge of an otherwise invisible molecular cloud.