A quick look around Affinity Photo for astro editing

Image scaling and RGB combination in Affinity Photo

Star removal with Star Xterminator and Affinity Photo

Astrophotography Editing Tutorial With Affinity Photo

Hybrid Processing Techniques

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Affinity Photo For Beginners

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Astrophotography stacking & editing (Affinity Photo)

Moon Processing Workflow (Affinity Photo)

A Beginner's Guide to Astrophotography Processing

Milky Way Stacking Guide: START to FINISH

Astrophotography workflow in Affinity Photo with James Ritson

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Deep-Sky Astrophotography HOW-TO (Step-by-Step)

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Editing Astrophotography in Affinity Photo - Basic Workflow

Intro to Astro Pixel Processor Part 3

Affinity Photo Basics - Layers & Masks

The EASIEST Way To Remove Background In Affinity Photo