Free Astro Processing Tutorial with Ghost Nebula Data

Happy Hallowe'en! Download my free data (The Ghost Nebula) or use your own and follow along with this in-depth, step by step astrophotography processing tutorial using only free software. I explain through the whole process making it suitable for beginners as well as those with experience.

We will be using :
Siril with GraXpert, Aberration Remover & Starnet++ integrated,
GIMP and Astrosharp.

We will cover :
Background Extraction, aberration removal, noise removal, colour calibration,
star removal, stretching & colour curves, masking, recomposition, sharpening and more.

This may be long but it's comprehensive!

If this has helped you and you're perfectly able for it, you might consider it worth a coffee? - https://buymeacoffee.com/cheapasstro

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LINKS :

1) Free Ghost Nebula fits file (8h44m) : https://drive.google.com/file/d/1YJll...

2) Siril Download : https://siril.org/download/

3) GraXpert (standalone) : https://graxpert.com/

4) GIMP Download : https://www.gimp.org/downloads/

5) Astrosharp (older) : https://github.com/deepskydetail/Astr...

6) Astrosharp Dual (newer) : https://github.com/deepskydetail/Astr...

7) Deep Space Astro YT Channel (for any Siril videos) :    / @deepspaceastro  

8) Cheapass-tro Discord Server :   / discord  

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Chapters :

0:00 Happy Hallowe'en!
1:09 Footnotes
3:32 Softwares
5:53 Siril Scripts
9:28 We begin
12:30 Crop
14:56 Background Extraction
18:19 Aberration Removal
23:17 Denoising
27:09 Colour Calibration
32:31 Star Removal
36:18 Stretching
47:28 Starmask
50:02 GIMP layers & levels
58:06 Colour Curves
1:08:13 Masking
1:17:18 Fix a defect
1:21:09 Star Re-integration in Siril
1:31:50 Astrosharp
1:34:20 Back to GIMP
1:41:10 Show YOUR results