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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Pseudo-thermal anomalies in the shortwave infrared bands of the Himawari-8 AHI and their correction for volcano thermal observation

Fig. 3

a Schematic of relationship between orbital motions of Himawari-8 and the earth resulting in periodic earth eclipses. When Himawari-8 is located at the points where its orbital plane intersects that of the earth, all three bodies—Himawari-8, the earth, and the sun—are in the same plane. During the vernal and autumn eclipse periods, these conditions make the Himawari-8 imager face the sun, which causes an earth eclipse. b Stray light in the AHI images for 1.6-µm (upper) and 2.3-µm (lower) bands at 14:40 UTC on April 12, 2018. The scale represents radiance (W m−2 sr−1 µm−1)

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