Blog

Field notes, tool comparisons, and things I’ve discovered along the way. Everything that helped me improve, shared here.

traitementtechnique

SyQon Studio: first contact with SyQon's new complete suite

SyQon launches SyQon Studio, free software that goes from stacking to the final image. What it contains, what's free, and a first discovery run on M 83: convincing stacking, processing that's still confusing, and a lot of potential.

September 30, 20267 min read

traitementdebutanttechnique

AstroWizard: process your image step by step, no jargon

Once stacking is done, processing is next. AstroWizard, Lukomatico's free tool, guides you through nine steps, in the right order, with a live preview and an undo for everything. The follow-up to our M 20 test.

September 30, 202610 min read

traitementdebutanttechnique

StackingWizard: download, install and stack your astro photos step by step

StackingWizard, Lukomatico's free tool, sorts, grades, aligns and stacks your frames almost on its own, then sends the result to AstroWizard. Where to download it, how to install it and how to use it, step by step.

September 28, 20268 min read

traitementtechnique

Gradient removal in 2026: GraXpert and its alternatives

GraXpert has democratized gradient removal. But what are the alternatives in 2026? A complete overview: built-in Siril, PixInsight's MGC, GradientXTerminator, and more.

March 10, 20269 min read

traitementtechnique

Syqon Starless: when AI removes your stars (and your noise)

A new challenger in AI-powered star removal. Syqon Starless combines star removal and noise reduction in a single pass. Comparison with StarNet++ and StarXTerminator.

February 20, 20266 min read

traitement

VeraLux HMS: the stretch that respects your colors

Stars that keep their colours, even after a strong stretch. VeraLux HMS brings a physics-based approach to stretching, for free in Siril. What it changes and how to use it.

February 3, 20264 min read

traitementtechnique

Siril 1.4: the update that changes everything

Python scripts, drizzle, spectrophotometric calibration, ICC color management... Siril 1.4 marks a turning point for free astro processing. Overview of the new features.

January 15, 20268 min read