NGC 281 · Emission nebula · Cassiopeia
Seestar S50IMX46218.5 hBortle 5–6
| Filter | Exposure | Frames | Total (h:mm) |
|---|---|---|---|
| LPdual-band | 20 s | 3,334 | 18:31 |
Siril (stacking, plate solving, colour calibration, deconvolution, noise reduction, stretch), GraXpert (background extraction), Cosmic Clarity (deconvolution, star sharpening), StarNet2 (star separation) and finished in Astro Sidekick.
Look Gallery and Wall ArtColour pseudo-SHO
StackSiril
measured 3,334 of 3,817 frames · stars 5.9″ (2.5 px) · s/n 5.8
CropSiril
measured kept 976 × 1837 of 1453 × 2161 px
Pattern removalSiril
Find where the sky isSiril
Background extractionGraXpert
measured tilt 2.7 → 0.4 σ · patchiness 1.2 → 1.3 σ · s/n 7.9
Colour calibrationSiril
measured 1285 stars · factors 0.96 / 0.72 / 1.00
DeconvolutionCosmic Clarity + Siril
Linear denoiseSiril
measured grain 0.00014 → 0.000097
StretchSiril
measured s/n 37.4
Separate the starsStarNet2
measured s/n 27.5
Sharpen the starsCosmic Clarity
measured star half-radius 3.2 → 1.5 px
Palette separationSiril + GraXpert + StarNet2 + Cosmic Clarity
measured s/n 12.4
Sharpen—
measured stood down: Cosmic Clarity is not installed, so there is no non-stellar model to sharpen with
Colour
Stars
Palette
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PNG · Finished · 8-bit · 3.1 MB · 976 × 1,837
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© santakrooz
awesome. love the paceman
this is a reply
yes it is
how
many
can
I
out
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