The Ghost of Cassiopeia (IC 59 / IC 63) in HaLRGB

Target: The Ghost of Cassiopeia (IC 59 / IC 63 / Sh 2-185) a reflection and emission nebula near γ Cassiopeia.

Equipment: Skywatcher 200 PDS (upgraded), TS GPU Coma Corrector, Skywatcher EQ-6R, ToupTek ATR2600M (mono), GPCMOS02000KPA for Guiding, Touptek 36mm Filters in SHO (4nm) and LRGB.

Acquisition: 30 x 300" L, 30 x 300" Ha, 20 x 120" R, 20 x 120" G, 45 x 120" B, 30 Flats each, 30 Bias frames. Gain 100, Offset 256, Bortle 4 backyard

Total integration: 7h50m.

Processing: Pixinsight: Stacked using WBPP, RGBComposition, BXT, NXT, VeraLux Hypermetric Stretch, LRGBCombination, Pixelmath and Masking to boost Ha, Final tweaks using CurveTransformation