《宋史·志·卷三》
彗星侵犯，星色白，是战争；星色赤，所指向的军队被攻破；从角宿出来，天下战乱。
彗星犯之，色白，为兵；赤，所指破军；出角，天下兵乱。
Comet encroaches, the star is white, a war happens; the star is red, the army that it points to is defeated; come out of Juxiu, the world is in chaos.