This dataset captures Sh2-284, a hydrogen emission nebula, through 22.4 hours of narrowband imaging collected between March 9 and March 27, 2026. The data comprises 124 frames in hydrogen-alpha (10.3 hours), 89 frames in oxygen-III (7.4 hours), and 56 frames in sulfur-II (4.7 hours), all acquired with Antlia 3nm filters at 300-second exposures. Imaging was performed using a Sky-Watcher Esprit 120mm apochromatic refractor paired with a ZWO ASI2600MM Pro monochrome camera on an AM5 mount.
The dataset is released under CC0 1.0 Universal, placing it in the public domain with no copyright restrictions. Access is available through a one-time purchase of approximately $22.90, providing calibrated frames suitable for creating tri-color narrowband composites or scientific analysis of this emission region.
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