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Fig. 6 | Earth, Planets and Space

Fig. 6

From: Calibration of imaging parameters for space-borne airglow photography using city light positions

Fig. 6

Mapped total counts and the IMAP/VISI data. In a, total counts of the red channel of the photographs in the range between tangential altitudes of 180 and 300 km are mapped to the tangential points of 250 km with a blackred color scale. The 630-nm emission observed by the IMAP/VISI is plotted in units of Rayleigh/nm with a bluewhite color scale. In b, data of A-IMAP and IMAP/VISI along the green line in a are presented as functions of latitude. The red solid line is for the total counts of the red channel with the summation range from 180 to 300 km and the red dash line is for that with the summation range from 230 to 300 km. The blue line is for the 630-nm emission observed by the IMAP/VISI

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