Celestial hemisphere:  Northern  ·  Constellation: Pisces (Psc)  ·  Contains:  M 74  ·  NGC 628
M74 - The Phantom Galaxy, Kyle Butler
M74 - The Phantom Galaxy
Powered byPixInsight

M74 - The Phantom Galaxy

M74 - The Phantom Galaxy, Kyle Butler
M74 - The Phantom Galaxy
Powered byPixInsight

M74 - The Phantom Galaxy

Equipment

Loading...

Acquisition details

Loading...

Description

Exposure Details

100x 60s L (53 gain, 10 offset)

60x 20s R (53 gain, 10 offset)

60x 20s G (53 gain, 10 offset)

60x 20s B (53 gain, 10 offset)

2.7 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

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

Added L to RGB using LRGBCombination with Chrominance noise reduction enabled

ColorSaturation with masking

CurvesTransformation

Final noise reduction and local contrast enhancement in Photoshop

Comments

Sky plot

Sky plot

Histogram

M74 - The Phantom Galaxy, Kyle Butler