HAOC is a push-broom scanning imaging spectrometer which provides spectral images on the Earth at visible and near infrared solar reflective bands, for on-board inter-calibration and radiation benchmark of optical payloads on FY-3 series satellites.
| Satellite | FY-3G |
|---|---|
| Wavelength | 400~1060nm |
| No. Channels | 440/220 |