had been published before. Kennedy (1990) wrote (again together with its context, his pages 149/150, dates as given by him):\
[*Information about his Wills. According to al-Haytham ibn $^{\rm c}$Ad*]{}*ī*[*: Al-Manūr made a will for al-Mahd*]{}*ī* [*when he set out for Mecca in Shawwāl of this year (AD 775 Aug 4 - Sep 1). He had stopped at Qar  $^{\rm c}$Abdawayh and stayed some days in the castle there. Al-Mahd*]{}*ī* [*was with him, and he gave him his testament. While he was staying in Qar  $^{\rm c}$Abdawayh, a shooting star \[kawkab\] fell \[inqaa\] on 28 Shawwāl (AD 775 Aug 31) after it began to get light, and its track \[atharuhu\] remained clear until sunrise. He \[al-Manūr\] bequeathed him \[al-Mahd*]{}*ī*[*\] his wealth and authority (sul- ān) ...*]{}\
The source of the report is given here as [*al-Haytham ibn $^{\rm c}$Ad*]{}*ī*, a well-known historian (birth AD 747, died AD 821 or 822), but no books written by him were found yet (Sezgin 1967, Leder 1991); the source of [*al-abar*]{}*ī* and others, who quote or depend on him, are lost books and/or oral reports and teachings (Leder 1991, Seidensticker 1994).

Dietrich (1952) translated the relevant part about the celestial event as follows to 