Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  NGC 3675
NGC 3675, Kyle Butler
NGC 3675
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NGC 3675

NGC 3675, Kyle Butler
NGC 3675
Powered byPixInsight

NGC 3675

Equipment

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Acquisition details

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Description

Exposure Details

80x 120s L (Atik Low Gain Preset, bin 1x1

50x 60s R (Atik Low Gain Preset, 10 offset, bin 2x2)

50x 60s G (Atik Low Gain Preset, 10 offset, bin 2x2)

50x 60s B (Atik Low Gain Preset, 10 offset, bin 2x2)

4.1 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 3675, Kyle Butler