Time     20230601_221500
Ic  http://jsoc.stanford.edu/data/hmi/images/2023/06/01/20230601_221500_Ic
Ic_flat  http://jsoc.stanford.edu/data/hmi/images/2023/06/01/20230601_221500_Ic_flat
M  http://jsoc.stanford.edu/data/hmi/images/2023/06/01/20230601_221500_M
M_color  http://jsoc.stanford.edu/data/hmi/images/2023/06/01/20230601_221500_M_color