This dataset captures the Helix Nebula (NGC 7293) through 37 hours of narrowband imaging collected between August and October 2024. The data comprises 215 frames through Antlia 3nm H-alpha filters, 103 frames in OIII, and 126 frames in SII, all at 300-second exposures. Acquisition used a TS-130 APO Refractor paired with an ASI294MM Pro monochrome camera on an AM5 mount. The 444 total frames provide comprehensive coverage across three emission lines, enabling detailed mapping of this planetary nebula's complex ionized gas structures. Available as a one-time purchase at approximately $19.90 under CC BY-NC 4.0 license, permitting copying, modification and redistribution for non-commercial purposes.
Generated from the dataset's metadata; the author's description above is authoritative.