Sh2-102 HaRGB
Camera: Apogee U16M w Astrodon Gen II LRGB filters
Scope: Planewave 12.5" CDK
Mount: SB Paramount ME
Guiding: SBIG ST402ME / Astrodon MMOAG
16/10/10 x 10min each for RGB
24 x 20min H-Alpha
Lucknow, Ontario, Canada
Aug 2026
Images captured with TheSkyX
Session orchestrated by CCD-Commander
Calibration and processing of the RGB and H-Alpha in PixInsight as follows:
RGB: Gradient Correction, SPCC, BlurX, MAS, NoiseX, Curves, HistogramTransform
H-Alpha: Gradient Correction, BlurX, StarX then on the starless portion: MAS, NoiseX, HT
Ha+RGB via HaRGB_Combine. Save as TIFF

Photoshop processing
Square crop and Save-for-Web