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APOD: 2026 October 2 – The Complete Sharpless Catalog: 313 Nebulas

Explore the full extent of the Sharpless Catalog’s stunning nebular imagery.

APOD: 2026 October 2 – The Complete Sharpless Catalog: 313 Nebulas

Today's Astronomy Picture Of the Day (APOD) showcases a comprehensive view of the entirety of the Sharpless Catalog, comprising an astounding 313 distinct H II regions. This remarkable collection represents a significant undertaking in astronomical imaging, demanding considerable resources and expertise. Each nebula within the catalog has been meticulously photographed, offering astronomers a detailed record of these stellar nurseries. The project allows for unprecedented study of star formation processes across diverse galactic environments. Researchers can now analyze this complete dataset to gain deeper insights into the evolution of gas clouds and nascent stars.


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