Sh2_173_177_Grad_SPCC_BlurX_Starless_MAS_HT_annotated_DynCrop
Annotated version:
Image Data:
Scope: AP110GTX w 0.83x TCC
Camera: ZWO ASI6200MC Pro
Mount: AP Mach2 (unguided)
68 x 5 min
Lucknow, Ontario, Canada
Sept 2026
Images acquired using APCC and TheSkyX
Reduction and all pre-processing in PixInsight.
PixInsight: GradientCorrection, SPCC, BlurX, StarX then
Starless image: MAS, HistogramTransformation, Curves, NoiseX
Stars ONLY image: Curves then masked Saturation boost then stars added back via PixelMath
Additional tweaks in Photoshop: Colour Balance, Selective Colour then save-for-web