This dataset captures LDN 1217, a dark nebula, through 70 frames of 300 seconds each using an Optolong L Quad filter. The total integration time reaches 5.83 hours, collected over two nights in August 2026. The imaging train consisted of a TS 115 ED telescope paired with a ZWO ASI 533MC Pro camera, mounted on a NEQ6-Pro. All data falls under the CC0 1.0 Universal license, making it available as a free download with no copyright restrictions. This collection offers calibrated sub-exposures suitable for stacking and processing, providing a foundation for revealing the subtle dust structures that define this catalogued dark nebula against the background star field.
Generated from the dataset's metadata; the author's description above is authoritative.