M57 1:1

Shotdate 02-04-2011

Camera: Nikon D3x

Optics: Celestron 9.25" Edge HD

Guiding: LVI AutoGuider 2

Mount: Sky-Watcher HEQ6 Pro

 

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DeepSkyStacker 3.3.2

 

11 frames 300 seconds (ISO: 800) - total exposure: 55 mn 13 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: 14 frames exposure: 5 mn 4 s

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

 

Flat: 95 frames exposure: 1/30 s

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

 

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PixInsight 1.6

 

DynamicCrop

DynamicBackgroundExtraction

HistogramTransformation

HDRWaveletTransform

HistogramTransformation

ACDNR

HistogramTransformation

ChannelExtraction: L

HistogramTransformation: L

CurvesTransformation

CurvesTransformation

DarkStructureEnhance

HistogramTransformation

Done