AllSky7, a European fireball detection system, uses seven NetSurveillance NVT cameras with SONY STARVIS IMX291 sensors to capture meteors and fireballs 24/7. Each camera covers 45x80° of the sky, recording at 25 fps with a 4 mm lens. The system’s dome design minimizes reflections via silver-painted interiors and pale-black baffles. A barebone Ubuntu Mini PC analyzes data, processing ~5,000 meteors annually under central European conditions. Software from developer Mike Hankey enables astrometry, photometry, and trajectory calculations, with community licenses for network members.

In 2022, AllSky7+ added an 8th fisheye-lens camera for full-sky imaging, improving bright fireball tracking. By 2024, the IMX307-based HS sensor enhanced sensitivity for twilight observations, reducing noise. The AS7 Sensor Board (2025) adds environmental monitoring and precise timing, while the AS7 Health Checker offers real-time system diagnostics via WiFi or internet. These upgrades aim to refine meteorite research and atmospheric studies.

The network, a non-commercial consortium led by Arbeitskreis Meteore e.V., prioritizes scientific collaboration. Donations fund station expansions, with remote cameras installed by volunteers. Data sharing follows strict copyright rules, requiring attribution to owners and the network. Scientific publications must acknowledge the network’s contributions, citing Hankey’s 2020 Meteoroids paper.

AllSky7’s open-data approach supports global research, from meteorite origin studies to aurora monitoring. By combining technical precision with community engagement, the network exemplifies how decentralized citizen science can advance planetary science.