M109 reworked

Shotdate 21-02-2011

Camera: Nikon D3x

Optics: Celestron 9.25" Edge HD

Guiding: LVI AutoGuider 2

Mount: Sky-Watcher HEQ6 Pro

 

-----------------------------------------------

 

11 frames of 300 seconds (ISO: 800) - total exposure: 55 mn 4 s

 

RGB Channels Background Calibration: Yes

Per Channel Background Calibration: No

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Offset: 120 frames exposure: 1/8000 s

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Dark: 8 frames exposure: 5 mn

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Flat: 40 frames exposure: 1/2 s

Method: Kappa-Sigma (Kappa = 2.00, Iterations = 5)

 

Staking: DeepSkyStacker 3.3.2

 

-----------------------------------------------

 

Postprocessing: PixInsight 1.6

 

DynamicBackgroundExtraction

HistogramTransformation

HDRWaveletTransform

ACDNR

Saved the image with preforming five times a HistogramTransformation and saving each transformation in 32-bit TIF for making HDR composite

HDRComposite function

ChannelExtraction L (For a lightness mask)

HistogramTransformation on L

Applied the mask L

CurvesTransformation

HistogramTransformation

Done