《汉书·志·天文志》
二年七月辛亥曰傍晚，水星从翼宿出现于西方，都比历算提早。
其二年七月辛亥夕，辰星与翼出，皆为蚤。
On the day of Xin Hai in July of the second year, the planet Mercury appeared in the west from the constellation Yi, both of which were earlier than the calculation.