Archaeoastronomy in East Asia: Historical Observational Records ...

AD 39 Mar 13 [China] (Ho 68)

(a) 15th year of the Jianwu reign period of Emperor Guangwu of the Han Dynasty, 1st month, day dingwei [44]; a star became fuzzy in Mao [LM 18], and a star became fuzzy in Yingshi [LM 13].

[Hou Han shu: Guangwu di ji] ch. 1

(b) 15th year of the Jianwu reign period of Emperor Guangwu of the Han Dynasty, 1st month, day dingwei [44]; a broom star appeared in Mao [LM 18], traveled slowly northwestward, and entered Yingshi [LM 13], trespassing on Ligong. On day yiwei [32], in the 3rd month, it reached Dongbi [LM 14] where it was extinguished, having been visible for 49 days.

[Hou Han shu: tianwen zhi] ch. 20

NB: Dong Han hui yao, ch. 16, has “2nd month, day yiwei [32].”

AD 46 Dec 17–AD 47 Jan 15 [Korea] (Ho 69)

3rd year of King Minjung of Goguryeo, winter, 11th month; there was a fuzzy star in the south; after 20 days, it was extinguished.

[Jeungbo munheon bigo] ch. 6

[Samguk sagi] ch. 14

AD 54 Feb 27–Mar 27 [Korea] (Ho 70)

31st year of King Yuri of Silla, spring, 2nd month; there was a fuzzy star in Zigong.

[Samguk sagi] ch. 1

[Jeungbo munheon bigo] ch. 6

AD 54 Apr 29 [China] (Ho 70)

30th year of the Jianwu reign period of Emperor Guangwu of the Han Dynasty, intercalary month, day guichou [50]; a star became fuzzy in Zigong.

[Hou Han shu: Guangwu di ji] ch. 1

AD 54 [China] (Ho 70)

30th year of the Jianwu reign period of Emperor Guangwu of the Han Dynasty, intercalary month, day jiawu [31]; “Mercury” was at 20 du in Dongjing [LM 22] when it produced a white vapor pointing southeast with flames 5 chi long. It became a comet that traveled northeast as far as the western wall of Zigong where it stopped. On day jiazi [1] in the 5th month, it was not seen; in all, it was visible for 31 days.

[Hou Han shu: tianwen zhi] ch. 20

NB: In this year, the 3rd intercalary month did not contain day jiawu.