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

Earth, Planets and Space

Table 1 A summary of locations and period for NIRAS observations

	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)

	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)