C2 Level data: data_C2=fsmt_read(fileC2,header=header)
C3 Level data: data_C3=fsmt_read(fileC3,header=header,AR=AR,Region=Region)
header is FITs header.
AR is the NOAA number array, for example ['AR12715','AR12713']
Region Region is the same estimated region of solar mutiple channel telescope of HSOS.(3'x4')
It is array of [4,NAR], NAR is the number NOAA sunspots. 4 is the [X0,Y0,X1,Y1] coordinate
of the data. X0,Y0 is the left-bottom corner. X1,Y1 is the right-up corner.