This dataset captures the Orion constellation region through a narrowband hydrogen alpha filter, recorded over two consecutive nights in January 2026. The acquisition comprises 30 frames at 240 seconds each, totalling two hours of integration time. Imaging was performed with a ZWO ASI294Mc Pro colour camera paired with a Canon EF 24-105mm lens operating at the wide end of its focal range, tracked on a Sky-Watcher Star Adventurer GTI mount. The Svbony sv220 Ha OIII dual narrowband filter isolates emission nebulae throughout Orion's rich star-forming regions. Released under Creative Commons Attribution 4.0, the data is freely downloadable with appropriate credit to the original author, permitting modification and redistribution for any purpose.
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