Time     20220501_230000
Ic  http://jsoc.stanford.edu/data/hmi/images/2016/08/05/20160805_163000_Ic
Ic_flat  http://jsoc.stanford.edu/data/hmi/images/2016/08/05/20160805_163000_Ic_flat
M  http://jsoc.stanford.edu/data/hmi/images/2016/08/05/20160805_163000_M
M_color  http://jsoc.stanford.edu/data/hmi/images/2016/08/05/20160805_163000_M_color