The fits files correspond to Figure 5 of the paper "The Galactic Al26 emission map as revealed by INTEGRAL/SPI" ( Bouchet, Jourdain & Roques, 2015, ApJ ; astro-ph:arXiv:1501.05247)
Fits HEALpix maps with 49152 pixels can be viewed and manipulated with ds9 software
Units are ph/(cm2.s.sr)