The region of SN 1181 with the Chinese asterisms indicated by red lines. The position of Pa30 is shown by a black cross. The green line indicates the modern constellation Cassiopeia. The supernova was stated to lie in the Chinese “lunar lodge” Kui (between the two purple dotted lines) between Huagai and Chuanshe, near Wangliang. The best estimated average position of SN 1181 is given by a blue cross surrounded by a blue error circle of radius 5 degrees. (IMAGE)

The University of Hong Kong

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