Image spcefications:
- Exposure: 10,75 hours, LRGBHaO3 = 60:60:60:60:315:180 minutes
- Camera: ZWO2600MM, Temp -10 ° C, Baader LRGB filters, Astrodon 5nm Ha and 3nm O3
- Instrument: TEC 140 with field flattener, focal distance 980 mm
- Guiding: TS Off Axisguider, Starlight Xpress Lodestar autoguider and PHD
- Mount: Paramount MX+
- Ambient temperature: Between 17 ° C and 23 ° C
- Location: Nozières, France
- Date: 23 August 2025 and 4, 5, 8 and 9 July 2026
- © Frans Kroon, Arno-MarkBlesgraaf
Image acquisition with Sequence Generator Pro:
- 21 H-alpha of 15 min, 12 O3 of 15 min, binned 1x1
- 6 Lum of 10 min, 6 Red + 6 Green + 6 Blue of 5 min, binned 1x1
- 20 Flat fields with flatfield panel
- 20 Dark frames of 15, 10 and 5 min
- 50 Bias frames
Processing in PixInsight 1.9.3
Lineair:
- ImageCalibration, CosmeticCorrection and StarAlignment
- ImageIntegration and ChannelCombination RGB
- MultiscaleGradiantCorrection, ImageSolver and SPCC
- BlurXTerminator on Ha, Lum and RGB
Non Lineair:
- MultiscaleAdaptiveStrech on Ha, O3, Lum and RGB
- NoiseXTerminator on Ha, O3, Lum and RGB
- Create StarImage of RGB with StarXTerminator, MorphologicalTransformation
- LRGBCombination
- StarXTerminator on Ha and O3
- HDRMultiscaleTransform
- PixelMath to combine Ha, O3 and LRGB with
- PixelMath to put together: StarlessImage + StarImage
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