This dataset captures Sh2-101, commonly known as the Tulip Nebula, through 48.67 hours of narrowband integration acquired between July 20 and August 25, 2025. The imaging system paired an Askar PHQ107 telescope with a QHY268M monochrome camera on a ZWO AM5 mount. Data collection employed three Antlia 3nm filters: 72 frames of H-alpha at 600 seconds each, 109 frames through OIII, and 111 frames in SII, all at the same exposure length. This tri-band approach enables flexible processing into Hubble Palette or other narrowband combinations that reveal the nebula's ionized gas structures. The dataset is offered under a CC0 1.0 Universal license for approximately $21.90 as a one-time purchase, providing calibrated monochrome frames ready for integration and color mapping.
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