Contains tables and astronomical diagrams.Text rubricated.Date of compilation in title: 14 June 1884. Date of copy and editor/copyist's name in colophon: tammat wa-bi-al-miskah ʻammat wa-kāna al-farāgh min naql hādhihi al-nuskhah al-ʻaẓīmah alladhī laysa la-hā wujūd fī yawm al-sabt al-muwāfiq ʻasharah khalat min shahr Ṣafar sanat 1302 [29 November 1884] ʻalá yad nāsikhihā al-faqīr ilá Allāh al-qadīr Aḥmad Maḥmūd Rāghib.A compendium of astronomical lore.