Some sources claims it was March 16, which can't be right. First, March 16 they claimed was actually in proleptic Gregorian calendar; Second, it was not in summer as original text have described clearly.
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Arter, T. R.; Williams, I. P. The mean orbit of the April Lyrids. Monthly Notices of the Royal Astronomical Society. 1997, 289 (3): 721–728 [2007-11-02]. (原始内容存档于2018-01-06).引文使用过时参数coauthors (帮助)
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Arter, T. R.; Williams, I. P. The mean orbit of the April Lyrids. Monthly Notices of the Royal Astronomical Society. 1997, 289 (3): 721–728 [2007-11-02]. (原始内容存档于2018-01-06).引文使用过时参数coauthors (帮助)