《宋书·志·卷二十四》
孝怀帝永嘉元年九月辛亥，有大星从西南流于东北且有小如升者与之相随，天尽赤有声如雷。
孝怀帝永嘉元年九月辛亥，有大星自西南流于东北，小者如升相随，天尽赤，声如雷。
On September 10, 307, Emperor Xiaohuai Yongjia, a big star flowed from southwest to northeast, and a small one like a pole followed it. The sky was red and the sound was like thunder.