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The MDW Hα Sky Survey: Data Release 1

Authors: Noor Aftab, Xunhe (Andrew) Zhang, Sean Walker, Dennis di Cicco, David R. Mittelman, Sanya Gupta, Andrew K. Saydjari, Mary Putman, David Schiminovich

Noor Aftab et al 2026 The Astronomical Journal 171 .

Provider: AAS Journals

Caption: Figure 22.

Read noise over time for each of the three telescopes. The outliers are marked in red crosses. Unlike flat frames, bias frames are not taken daily. To ensure timely correction, defective images are often identified immediately, thus making outliers rare.

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