Robert A. Fesen,Christopher L. Gerardy,Kevin M. Mclin,Andrew J. S. Hamilton. Hubble Space Telescope Images and Spectra of the Remnant of SN 1885 in M31. The Astrophysical Journal,. March 1999, 514 (2): 195–201. arXiv:astro-ph/9810002. doi:10.1086/306938.
Robert A. Fesen,Christopher L. Gerardy,Kevin M. Mclin,Andrew J. S. Hamilton. Hubble Space Telescope Images and Spectra of the Remnant of SN 1885 in M31. The Astrophysical Journal,. March 1999, 514 (2): 195–201. arXiv:astro-ph/9810002. doi:10.1086/306938.
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SN 1994I 由亚特兰大天文俱乐部(Atlanta Astronomy Club)的业余天文爱好者Jerry Armstrong和Tim Puckett共同发现,另外发现者还包括Johnson, Millar, Berry 和 Kushida。参见IAUC的报告:Supernova 1994I in NGC 5194。