Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Fireworks Galaxy  ·  NGC 6946
NGC 6946 - Fireworks Galaxy, Kyle Butler
NGC 6946 - Fireworks Galaxy
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NGC 6946 - Fireworks Galaxy

NGC 6946 - Fireworks Galaxy, Kyle Butler
NGC 6946 - Fireworks Galaxy
Powered byPixInsight

NGC 6946 - Fireworks Galaxy

Equipment

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Acquisition details

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Description

Exposure Details
200x 120s L (Atik Low Gain Preset, bin 1x1)
50x 60s R (Atik Low Gain Preset, bin 2x2)
50x 60s G (Atik Low Gain Preset, bin 2x2)
50x 60s B (Atik Low Gain Preset, bin 2x2)
9.0 hours total integration time

Processing
Processed each channel individually
Frames calibrated and stacked in PixInsight, drizzle 2x
DynamicCrop to trim borders from dithering
DynamicBackgroundExtraction on each channel
Deconvolution on Luminance channel
EZ Processing Suite EZDenoise on Luminance channel
Combined RGB using ChannelCombination
BackgroundNeutralization, ColorCalibration, and SCNR on RGB image
Stretched L and RGB to non-linear using HistogramTransformation
Added L to RGB using LRGBCombination with Chrominance noise reduction enabled
ColorSaturation with masking
CurvesTransformation
ACDNR to remove colour noise
Final noise reduction and local contrast enhancement in Photoshop

Comments

Sky plot

Sky plot

Histogram

NGC 6946 - Fireworks Galaxy, Kyle Butler