LND1401 comprises 126.67 hours of monochrome narrowband and broadband data captured between December 29, 2025, and March 11, 2026, using a QHY268M camera on an Askar SQA70 telescope mounted to an iOptron CEM60EC. The dataset includes 132 frames through Antlia 3nm OIII (44 hours), 70 frames through Antlia 3nm H-alpha (23.33 hours), and broadband coverage with 49 luminance, 43 red, 43 green, and 43 blue frames, all at 1200-second exposures. This combination of deep narrowband integration and RGB support allows detailed emission line mapping alongside natural color reconstruction. Released under CC0 1.0 Universal, the data enters the public domain with no copyright restrictions. Access is available through a one-time purchase of approximately $14.90.
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