Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888
NCG6888 HST palette, Michael Taube
NCG6888 HST palette
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NCG6888 HST palette

NCG6888 HST palette, Michael Taube
NCG6888 HST palette
Powered byPixInsight

NCG6888 HST palette

Equipment

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Acquisition details

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Description

ASI1600 used with ASCOM predefined unity gain settings

120 sec subs

PixInsight 1.8.5 processing

BatchPreprocessing no flats

LocalNormalization

ImageIntegration with LocalNormalization for integration and rejection

LRGBCombination S2 for Red, Ha for Green, and O3 for Blue

AutomaticBackgroundExtractor subtract

DynamicBackgroundExtractor division

Deconvolution with PSF, inverted luminance mask, and star mask

TGVDenoise with inverted luminance mask

MultiscaleMedianTransform with inverted luminance mask

ColorCalibration

STF HistogramTransformation

SCNR on Green

CurvesTransformation for c, L, RGB/K

CosmeticCorrection

Comments

Revisions

  • Final
    NCG6888 HST palette, Michael Taube
    Original
  • NCG6888 HST palette, Michael Taube
    B
  • NCG6888 HST palette, Michael Taube
    C

Sky plot

Sky plot

Histogram

NCG6888 HST palette, Michael Taube