S147-bicolor.jpg
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S147-bicolor.jpg
Object: Sh2-240, Simeis 147
Optic: Canon EF200 f/2.8 at 2.8
Camera: Moravian G2 8300 FW at -30°C
Filter: Astrodon 31mm, 5nm H-Alpha, OIII, SII
Exposure summarized 11,7h: 31x10min H-Alpha, 17x10min OIII, 22x10min SII, 51xBias, 10xDark, 51xFlat
Guiding: Wundertüte, I-Nova PLA-Mx 310Kp
Date1: 24.02.2014, Zirndorf
Date2: 25.02.2014, Zirndorf
Preprocessing Pixinsight
ImageCalibration, ImageIntegration (WinsorizedSigma 4.4/4.4), ImageRegistration, MaskedStretch, HDRMS, LHE and MT for H-Alpha
Processing PS
Tonemap Color: Ha=Red, (2*Ha+OIII)/3=Green, OIII=Blue
Metsavainio Narrowband Workflow, some contrast and color improvements