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The image is of Emission Nebula ic417 (known as the Spider) 10k LY away in Auriga.The nebula is energized by its hot, massive blue stars still embedded in glowing hydrogen gas in the U shaped area below right of the brightest star.

Baader 7nm Ha filter (5 hours) and 8nm S2 filter (2 hours) used in this bi-colour image.The Ha(red) dominates as the S2 was very weak and O3 not present.

Telescope R-C 250mm F5.4 on Neq6 using DSS/PS5/Maxim DL.

[Ian Smith]