NGC281 Pacman nebula

Shotdate: Morning 21st July 2013

Location: N52.2376,E6.0507

Camera: Nikon D3x

Filter: None

Optics: Celestron 9,25" EdgeHD

Guiding: LVI SmartGuider 2

Mount: Skywatcher NEQ5 Pro

Exposure: 12 x 600 seconds

ISO-speed: 800

WB: Sunshine

 

Comments: Shot two days before full moon and with just over 2 hours of complete "Astro" darkness, not bad. The individual images have a quite severe haze over them.

 

Stacked in PixInsight using 12 lights, 20 flats, 120 bias and 20 darks.

 

Processing steps after stacking:

 

DynamicCrop: Processing view: light_BINNING_1

 

Script PreviewAggregator

 

ColorCalibration: Processing view: light_BINNING_1

 

HistogramTransformation: Processing view: light_BINNING_1

 

BackgroundNeutralization: Processing view: light_BINNING_1

 

HistogramTransformation: Processing view: light_BINNING_1

 

Four times:

ChannelExtraction: Processing view: light_BINNING_1

ATrousWaveletTransform: Processing view: light_BINNING_1_L

HistogramTransformation: Processing view: light_BINNING_1

..light_BINNING_1_L: Masking from swap files...

 

DynamicBackgroundExtraction: Processing view: light_BINNING_1

 

ImageIdentifier: Processing view: light_BINNING_1_DBE

id = org

 

Four times:

ChannelExtraction: Processing view: org

HistogramTransformation: Processing view: org_L

ATrousWaveletTransform: Processing view: org_L

HistogramTransformation: Processing view: org

..org_L: Masking from swap files...

 

ChannelExtraction: Processing view: org

 

HistogramTransformation: Processing view: org_R

ATrousWaveletTransform: Processing view: org_R

ATrousWaveletTransform: Processing view: org_R

HistogramTransformation: Processing view: org

..org_R: Masking from swap files...

 

HistogramTransformation: Processing view: org_G

ATrousWaveletTransform: Processing view: org_G

ATrousWaveletTransform: Processing view: org_G

HistogramTransformation: Processing view: org

..org_G: Masking from swap files...

 

HistogramTransformation: Processing view: org_B

ATrousWaveletTransform: Processing view: org_B

ATrousWaveletTransform: Processing view: org_B

HistogramTransformation: Processing view: org

..org_B: Masking from swap files...

 

ChannelExtraction: Processing view: org

HistogramTransformation: Processing view: org_L

ATrousWaveletTransform: Processing view: org_L

ATrousWaveletTransform: Processing view: org_L

 

CurvesTransformation: Processing view: org

..org_L: Masking from swap files...

 

DynamicBackgroundExtraction: Processing view: org

 

HistogramTransformation: Processing view: org_DBE

 

ChannelExtraction: Processing view: org_DBE

HistogramTransformation: Processing view: org_DBE_L

ATrousWaveletTransform: Processing view: org_DBE_L

ATrousWaveletTransform: Processing view: org_DBE_L

 

HistogramTransformation: Processing view: org_DBE

..org_DBE_L: Masking from swap files...

 

LocalHistogramEqualization: Processing view: org_DBE

 

CurvesTransformation: Processing view: org_DBE

 

Done