《宋书·志·卷十二》
在十五年五月十五曰望观测月食，推算的发生时间为戌时，这天月亮升起时就已经食了，而且月面已有四分之一生光了，月亮在斗宿十六度左右。
到十五年五月十五日望月蚀，加时在戌，其日月始生而已，蚀光已生四分之一格，在斗十六度许。
Observed the lunar eclipse on the 15th of May in the fifteenth year. The estimated occurrence time was the Xu hour. The moon had been eclipsed when it rose that day, and a quarter of the moon's surface was already shining. The moon is about 16 degrees in the Dou constellation.