IC 5146 / Caldwell 19 the Cocoon Nebula


Ian Russell

Sutton Courtenay, Oxfordshire

Scope: TS Photoline 130mm f/6.6 Triplet Super APO
Mount: iOptron CEM60 EC
Camera: Atik 490ex
Guiding: Atik OAG, QHY5L II, PHD2

Processed using AstroArt 5.0 and Photoshop CS5

This is Caldwell 19 – the Cocoon Nebula in Cygnus. I really like the ghostly blues of the reflection nebula and was please to capture them with only 7 x 300s subs for the G and B channels and 9 x 300 for the R.