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Astrophysicist and hobbyist satellite tracker sharing tips, tools, and skywatching stories.
Spot the ISS With Your Naked Eye – Quick Step‑by‑Step Guide
2026.07.27
DIY Budget Satellite Tracker Under $100 (Step‑by‑Step)
2026.07.10
How to Predict the ISS Overpass with Free Online Tools
2026.06.24