39) as for its star it is a praiseworthy abundant and wellknown star. it is said that it lasts for five nights and it is said that it lasts for seven nights. it is the best of the stars of alwasmi because its rain is at a time when the earth wants water. so it holds back the soil of its year. and in thuraya if it is generous to them it is a successor to what came before it and no successor to it. they say if the rain of thuraya/ in alwasmi and the rain of the forehead in the spring come together that year will be completely fertile.
٣٩) فأما نوءها فنوء محمود غزير مذكور. يقال إنه خمس ليال، ويقال سبع ليال. فهو خير نجوم الوسمى، لأن مطره فى زمن تريد الارض فيه الماء. فهو يمسك ثرى سنته. وفى الثريا إذا جادتهم خلف مما قبلها ولا خلف منها، يقولون إنه ما اجتمع مطر الثريا/ فى الوسمى ومطر الجبهة فى الربيع إلا كان ذلك العام تام الخصب