This dataset captures NGC 3587, the Owl Nebula, a planetary nebula in Ursa Major designated M97 in the Messier catalog. The data comprises 24.4 hours of total integration collected between April 1 and April 9, 2021, using an AG Optical 10-inch iDK F6.7 telescope paired with a ZWO ASI 6200MM monochrome camera on a Sky-Watcher EQ8RH mount. The acquisition consists of 30,600 one-second frames through an Astrodon 5nm hydrogen-alpha filter, 30,960 frames in oxygen-III, and 26,280 frames in sulfur-II, enabling narrowband imaging of this classic deep-sky object. The dataset is available as a one-time purchase for approximately $10.90 under a CC BY-NC 4.0 license, permitting copying, modification and redistribution for non-commercial purposes.
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