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Table 1 A summary of locations and period for NIRAS observations

From: Temporal evolutions of \(\text {N}_2^+\) Meinel (1,2) band near \(1.5.\,\upmu \text {m}\) associated with aurora breakup and their effects on mesopause temperature estimations from OH Meinel (3,1) band

  Syowa Station, Antarctic IRF, Sweden
Location \(69.0^{\circ }\text {S}\), \(39.6^{\circ }\text {E}\) (Magnetic latitude: \(66.9^{\circ }\text {S}\)) \(67.8^{\circ }\text {N}\), 20.4\(^{\circ }\text {E}\) (Magnetic latitude: 65.2\(^{\circ }\text {N}\))
Period March 7–November 2, 2018 (austral winter) August 28, 2019–January 10, 2020
# of observations 235 nights (168 nights, a 600-lpmm grating for OH (3,1) band) 133 nights (127 nights, a 600-lpmm grating for OH (3,1) band)
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