Significance map of the gamma-ray emission sources detected above 10 TeV in the direction of Cygnus OB2. The vertical and horizontal axes represent the declination and ascension of the sources respectively.

From the article:

Gamma-Ray Observation of the Cygnus Region in the 100-TeV Energy Region
M. Amenomori et al. (Tibet ${\mathrm{AS}}_{\gamma }$ Collaboration)
Phys. Rev. Lett. 127, 031102 (2021)

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