Nebulae - PeterNagy
Cocoon Nebula

Cocoon Nebula

IC 5146: Cocoon Nebula. RGB. 0.96"/pixel image scale.

Astrodon Red filter, 12 x 10 minutes, 1x1. 8/30/2014.
Astrodon Green filter, 12 x 10 minutes, 1x1. 8/30/2014.
Astrodon Blue filter, 12 x 10 minutes, 1x1. 8/30/2014.

TEC 140 APO F/7 with Astro-Physics A-P1100GTO GEM. QSI660wsg. Guided with A-P Vario Finder 250mm focal length and Superstar, Optec Handy Stepper Motor focuser.

Captured and automated with SGP. Calibration (including Dark Subtraction) and Post-processed with PixInsight. PHD2 settings: RA Aggressiveness: 90, RA Hysteresis: 10, Max RA/Dec Duration: 1000, Min Motion: 0.25, Calibration Steps: 700msec, Auto/Resist Switching, Extreme dithering and Settled at < 1.0, 3 sec guiding exposure.