This dataset captures Sh-2 223 and Sh-2 224, two Sharpless catalogue emission nebulae, over 50 hours of total integration. Acquisition ran from 17 January to 15 March 2026 using an Askar FRA 300 telescope paired with a ZWO ASI294Mc Pro colour camera on a Sky-Watcher EQ6 Pro mount. All 600 frames were taken through an Optolong L-Ultimate dual narrowband filter at 300 seconds each, isolating hydrogen-alpha and oxygen-III emission lines. The data is offered under a CC BY 4.0 license, permitting copying, modification and redistribution with appropriate credit, and is available as a one-time purchase for approximately $43.90.
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