Announcement from JAXA:
Sep./27/'22
[Distribution of the Himawari-9 test data]
Towards scheduled replacement of the Himawari-8 to the Himawari-9 in Dec. 2022, Japan Meteorological Agency (JMA) started test data dissemination of the Himawari-9 in parallel with the Himawari-8 since Sep. 27, 2022. JAXA P-TREE system also started data dissemination of the Himawari-9 HSD files. File format of the Himawari-9 data is the same to that of Himawari-8 except file name is started with "H09". JAXA also plans to distribute Level 1 NetCDF and geophysical parameter products of Himawari-9 after checking data status.
Below is a Himawari-9 full disk image on September 27 03Z, © JAXA.