Image spcefications:
- Exposure: Mosaic of 16 hours, HaLRGB = 440:280:95:95:95 minutes
- Camera: SBIG ST-8300M, Astrodon 5nm Ha filter, Baader LRGB filters
- Instrument: TEC 140 with field flattener, focal distance 980 mm
- Mount: Losmandy G11
- Guiding: TS Off Axisguider, Starlight Xpress Lodestar autoguider and PHD
- Location and date: Etoile St. Cyrice, France, 14, 16 and 18 Januari 2012 (HaLRGB nothern part of NGC2264)
- Location and date: Overveen, Netherlands, 21 and 22 Mars 2012 (Ha southern part of NGC2264)
- Location and date: Wateren, Netherlands, 23 and 25 Mars 2012 (LRGB southern part of NGC2264)
Image acquisition with ImagesPlus 4.0 Camera Control with dither:
- 22 H-alpha of 20 min, binned 1x1
- 28 Luminance of 10 min, binned 1x1
- 19 Red + 19 Green + 19 Blue of 5 min, binned 2x2
- For each location 20 Flat fields per channel with Aurora Flatfield panel
At home, camera in fridge:
- 20 Dark frames of 10 min + 20 Dark frames of 5 min
- 20 Flat darks (per channel) + 20 Bias frames
Processing in ImagesPlus 3.82:
- For the RGB exposures Automatic Image Set Processing per channel: calibrate, normalize, grade
- Align and combine (Min Max Excluded Average)
Processing in PixInsight 1.7
- StarAlignment, ImageIntegration, ChannelCombination
- BackgroundNeutralization, ColorCalibration, HistogramTransformation
- HDRMultiScaleTransformation, ACDNR, CurvesTransformation, SCNR
- LRGBCombination
Processing in Photoshop CS3:
- Combine Ha and LRGB (Split LRGB and Combine R and Ha in blend mode lighten)
- Levels, Curves
- Noise Ninja
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