IC 63 · Emission nebula · Cassiopeia
Seestar S50IMX4627.6 hBortle 5–6
| Filter | Exposure | Frames | Total (h:mm) |
|---|---|---|---|
| LPdual-band | 20 s | 1,370 | 7:37 |
Siril (stacking, plate solving, colour calibration, deconvolution, stretch), GraXpert (background extraction), Cosmic Clarity (deconvolution, noise reduction, star sharpening), StarNet2 (star separation) and finished in Astro Sidekick.
Look Faithful SkyColour Foraxx
StackSiril
measured 1,370 of 1,697 frames · stars 5.1″ (2.2 px) · s/n 5.5
CropSiril
measured kept 898 × 1750 of 1413 × 2214 px
Pattern removalSiril
Find where the sky isSiril
Background extractionGraXpert
measured tilt 2.7 → 0.3 σ · patchiness 1.4 → 0.7 σ · s/n 5.8
Colour calibrationSiril
measured 1230 stars · factors 0.93 / 0.76 / 1.00
DeconvolutionCosmic Clarity + Siril
measured kept: 0 of 20 bright stars had a hole cut in their halo
Linear denoiseCosmic Clarity
measured grain 0.00064 → 0.00047
StretchSiril
measured s/n 4.4
Separate the starsStarNet2
measured s/n 4.1
Sharpen the starsCosmic Clarity
measured star half-radius 6.3 → 1.6 px
Palette separationSiril + GraXpert + StarNet2 + Cosmic Clarity
measured s/n 11.7
Sharpen—
measured stood down: A palette picture is built in the editor from the separate lines, which this step never touches, so…
Light
Colour
Stars
Detail
Palette
Layer
Crop & straighten
FITS · Linear · 38 MB · 1,413 × 2,214
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