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Centaurus A

My first LRGB image with the recently acquired ASI1600MMC Pro.

Acquisition Details:

Scope: GSO 8" F/4, flocked, DIY AutoFocuser, DIY Secondary Dew Heater Coma Corrector: SkyWatcher Aplanatic/Quattro Camera: ZWO ASI 1600MMC PRO (Image scale ~1"/pixel) Mount: EQ6-R Guide Scope: ZWO 60mm Guide Cam: QHY5LIIC 86x120s L 30x120s R,G,B Roughly 6hr total integration. All at gain 0, 21 offset, -15 degrees celsius. Acquired with the NINA imaging suite. Guided with PHD2. Mount interface: EQMOD

Processing Details:

Flat & Dark Calibration (had bad flats in this session) SFS/Registration/integration Many passes of DBE (had real trouble with gradients) TGV on each stack MMT on each stack RGB Combination after linear fit. Masked stretch on the RGB and L LRGB Combination SCNR LHE with range mask Minor tweaks with saturation and contrast curves Range mask to desaturate chrominance noise in background Star mask to saturate stars ADVsharpening script (impressed with this script, really improved the core)
Date Created: 2019-03-06
Date Posted: 2019-05-06