GSC all-sky maps on board the MAXI mission for 11 years from 2009 to 2020.

maxi_gsc_allsky_2_4_20200425.img 
     ... 2-4 keV all-sky image after exposure correction and artificial background subtraction.
         4_8, 8_16, and 16_20 are same as above.

maxi_gsc_allsky_cex_{Emin}_{Emax}_20200425.img
     ... All-sky images after exposure correction.

maxi_gsc_allsky_{dim|bright}_20200323.img
     ... Dim/bright all-sky images adjusted the color scale for bright/faint soures.