Here's a NASA technical note specifically about Apollo mission radiation, in Table 1 you can find the radiation measured for each mission. Then again, no major

Here's a NASA technical note specifically about Apollo mission radiation, in Table 1 you can find the radiation measured for each mission. Then again, no major solar flares happened during the missions. In table 2, the rules that were prepared on how to react to these events can be found: https://www.hq.nasa.gov/alsj/tnD7080RadProtect.pdf https://www.hq.nasa.gov/alsj/tnD7080RadProtect.pdf