Celestial hemisphere:  Southern  ·  Constellation: Sculptor (Scl)  ·  Contains:  NGC 253  ·  Sculptor Filament  ·  Silver Coin
NGC 253 - Sculptor Galaxy, Kyle Butler
NGC 253 - Sculptor Galaxy
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NGC 253 - Sculptor Galaxy

NGC 253 - Sculptor Galaxy, Kyle Butler
NGC 253 - Sculptor Galaxy
Powered byPixInsight

NGC 253 - Sculptor Galaxy

Equipment

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Acquisition details

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Description

Image acquiring from the CHI-1 telescope from telescope.live.

Exposure Details

11x 120s L

3x 120s R

3x 120s G

3x 120s B

40 minutes total integration time

Processing

Processed each channel individually

DynamicCrop to trim borders from dithering

MultiscaleLinearTransform noise reduction on each channel with luminance mask

Combined RGB using ChannelCombination

BackgroundNeutralization, ColorCalibration, and SCNR on RGB image

Stretched RGB and L to non-linear using HistogramTransformation

Combined to LRGB using LRGBCombination with chrominance reduction

ColorSaturation with masking

CurvesTransformation

Final noise reduction and local contrast enhancement in Photoshop

Comments

Sky plot

Sky plot

Histogram

NGC 253 - Sculptor Galaxy, Kyle Butler