IC 5146, the Cocoon nebula. Image shown at 50% of size
Equipment: VISAC f9 scope. ASA DDM85 mount. SBIG STL11000 camera.
Location: Pozuelo (Madrid), sky brightness 18,00 to 18,04 magnitudes/squarq arcsec
Date: July to September 2013
Exposure: 240 min luminance (5 min subs); 330 min H aplha, 150 min red, 120 min green, 165 min blue (15 min subs)
Image processing in PixInsight, final touches in Photoshop.
Image at 66% size below