Catalog of nebulae sourced from Wikidata, covering emission, reflection, dark, and planetary nebulae across the sky. Nebulae are clouds of interstellar gas and dust -- the birthplaces of stars, the remnants of dying ones, and some of the most visually spectacular objects in the universe. This dataset aggregates structured data from Wikidata's knowledge… See the full description on the dataset page: https://huggingface.co/datasets/juliensimon/nebula-catalog.