StephensonF. R., “Historical Observations of Supernovae”, in CosmoviciC. B. (ed.), Supernovae and supernova remnants (Dordrecht, 1974), 75–85, pp. 80–81. See also YokeHo Peng, “Ancient and Mediaeval Observations of Comets and Novae in Chinese Sources”, Vistas in astronomy, v (1962), 127–225; Ze-ZongXi and Shu-JenPo, “Ancient Oriental Records of Novae and Supernovae”, Science, n.s., cliv (1966), 597–603, p. 601; and MilneD. K., “The Supernovae of 1006 a.d.”, Australian journal of physics, xxiv (1971), 757–67.
2.
Xi and Po, op. cit.
3.
Ho, op. cit.
4.
Courtesy of the Director of the Royal Greenwich Observatory.
