C/2013 US10 (Catalina), 20.12.2015

Full Size: 1440 × 1080

C/2013 US10 (Catalina), 20.12.2015

Optic: Takahashi 60 CB
Focal length, f/ratio: 256 mm, f/4.4
Total exposure time: 16 min
Filter: LRGB
Camera : SBIG STF-8300M
Guiding : ST-i Guiding Kit
Date, location: 20.12.2015, 05:15 UT, Riegel a.K., Germany
Author: Andreas Masche
L = 5 x 120 s, binning 2×2
R = 120 s, binning 2×2
G = 120 s, binning 2×2
B = 120 s, binning 2×2
Processing Flow: PI: BatchPreprocessing, ImageIntegration (L-Channel), ChannelCombination (color channels to RGB), ChannelExtraction (RGB to a, b), ChannelCombination (L*a*b*), Histogram Transformation, DBE
PS: curves and levels