This is a text on astrology. ‘Jyotiṣa Śāstrasāra is probably a subtitle, and the actual title is Bṛhajjātaka, the work of Varāhamihira. This text includes the commentary, Jagaccandrikā, by Bhaṭṭotpala.
Akshesvar Mahabihara; images and metadata are from the Endangered Archives Programme