AHI is the scanner carried aboard the Himawari-8 (MTSAT-3) geostationary satellite.

See the JMA website for full details.

Note that the images delivered to us through EUMETCAST are not of all bands and not all at full resolution.

Imager specifications.
Wavelength
[µm]
Himawari-8/9 Compare with MTSAT-1R/2
Band
number
Spatial
resolution
[km]
Central wave length
[µm]
Channel
name
Spatial
resolution
[km]
AHI-8
(Himawari-8)
AHI-9
(Himawari-9)
0.47 1 1 0.47063 0.47059 - -
0.51 2 1 0.51000 0.50993 - -
0.64 3 0.5 0.63914 0.63972 VIS 1
0.86 4 1 0.85670 0.85668 - -
1.6 5 2 1.6101 1.6065 - -
2.3 6 2 2.2568 2.2570 - -
3.9 7 2 3.8853 3.8289 IR4 4
6.2 8 2 6.2429 6.2479 IR3 4
6.9 9 2 6.9410 6.9555 - -
7.3 10 2 7.3467 7.3437 - -
8.6 11 2 8.5926 8.5936 - -
9.6 12 2 9.6372 9.6274 - -
10.4 13 2 10.4073 10.4074 IR1 4
11.2 14 2 11.2395 11.2080 - -
12.4 15 2 12.3806 12.3648 IR2 4
13.3 16 2 13.2807 13.3107 - -
Spatial resolution is given at SSP (sub satellite point) in km


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