NGC 6188 or the Fighting Dragons of Ara in Narrowband SHO, taken from my backyard in Auckland, New Zealand. Data acquired over 2 nights, 14/15th.

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 35x300s Ha (ZWO 7nm) 35x300s OIII (ZWO 7nm) 35x300s SII (ZWO 7nm) Roughly 10 hr total integration. All at unity gain, 21 offset, -15 degrees celsius. Acquired with the NINA imaging suite. Guided with PHD2. Mount interface: EQMOD

Processing Details:

Flat & Dark Calibration SFS/Registration/integration TGVDenoise on all 3 channels HT on all 3 to roughly same levels Linear fitted to Ha RGB Combination (SHO) SCNR, invert, SCNR Contrast Curve, Saturation Curve Colour Saturation Green Curve (reduce green levels) Star Reduction LHE with range mask Final Stretch
Date Created: 2019-04-18
Date Posted: 2019-05-06