Cone Nebula (left) and Foxfur Nebula (centre-right) in HaRGB; centred on ngc2264 aka The Christmas Tree Cluster

10 x 10 min each of RGB
6 x 20min of H-Alpha
Camera: Moravian G4 (16803) w Gen II Astrodon LRGB
Scope: AP155EDF w 4" FF and FeatherTouch focuser + FocusBoss II focuser
Mount: Paramount MX
Guiding SBIG ST402ME and Borg 60mm achromat piggyback
PixInsight processing:
RGB: - SPCC, BlurX, NoiseX, MultiScaleAdaptiveStretch.
H-Alpha - BlurX, NoiseX, StarX then MultiScaleAdaptiveStretch then a HistogramTransformation to brighten and dramatise then Curves adjustment to boost contrast slightly
H-Alpha + RGB combined in via the HaRGB_Combine process

Photoshop: added a Selective Colour adjustment layer, a Clarity-Dehaze adjustment and a modest levels boost to the blue highlights.

Lucknow, Ontario
Feb 2026