釋鑑稽古略續集 1.109

1.109

甲辰大德八年二月。有星孛於室度。入紫微垣。約一丈。凡七十六日滅。

In the second month of the eighth year of the Dade era, a jiachen year, a comet appeared in the mansion Shi and entered the Purple Forbidden Enclosure, measuring about one zhang; it disappeared after seventy-six days in all.