Image spcefications:
- Exposure: 6 hours, LRGB = 180:60:60:60
- Camera: ZWO ASI2600MM, Temp -10 ° C, Baader LRGB filters
- Instrument: TEC 140, focal distance 980 mm
- Mount: Paramount MX+
- Guiding: TS Off Axisguider, Starlight Xpress Lodestar autoguider and PHD
- Location: Nozières, France
- Ambient temperature: round -3° C
- Date: 1 Januari, 4 and 31 March 2025
- © Frans Kroon, Arno-MarkBlesgraaf
Image acquisition Sequence Generator Pro:
- 18 Lum of 10 min, binned 1x1
- 12 Red + 12 Green + 12 Blue of 5 min, binned 1x1
- 25 Flat fields per channel with Flatfield panel
- 20 Dark frames of 20 min + 20 Dark frames of 10 min + 20 Dark frames of 5 min + 50 Bias frames
Processed with PixInsight 1.9.1:
Lineair:
- ImageCalibration, CosmeticCorrection and StarAlignment
- ImageIntegration and ChannelCombination RGB
- GradiantCorrection on Lum and RGB
- ImageSolver and SPCC on RGB
- BlurXTerminator on Lum and RGB
Non Lineair:
- HistogramTransformation on Lum and RGB
- NoiseXTerminator on Lum and RGB
- Create StarImage of RGB with StarXTerminator
- StarXTerminator on Lum
- LRGBCombination
- HDRMultiscaleTransform on starless LRGB
- CurvesTransformation, SCNR, MultiscaleLineairTransform on starless LRGB
- PixelMath to put together: StarlessImage + StarImage
- In Photoshop: make background sky dark (25:25:25) with Levels
|
