Clusters - PeterNagy
M13 Hercules Globular Cluster

M13 Hercules Globular Cluster

M13 Hercules Globular Cluster. RGB + Luminance. 1.33"/pixel image scale.

Astrodon I series Red filter, 22 x 2 minutes, 1x1. 6/12/2018.
Astrodon I series Green filter, 22 x 2 minutes, 1x1. 6/12/2018.
Astrodon I series Blue filter, 22 x 2 minutes, 1x1. 6/12/2018.
Astrodon I series Lum filter, 66 x 2 minutes, 1x1. 6/12/2018.

TEC 140 APO F/5 with A-P Quad TCC, Astro-Physics A-P1100GTO GEM with absolute encoders. QSI660wsg. OAG and Ultrastar autoguider, Optec Handy Stepper Motor focuser.

Captured and automated with SGP. Calibration and Post-processed with PixInsight. PHD2 settings: RA Aggressiveness: 60, RA Hysteresis: 10, Max RA/Dec Duration: 2000, Min Move: 0.38, Calibration Steps: 300msec, Auto/Resist Switching, 2 sec guiding exposure.