About the Book: Siddhantasundarah: Critically edited text, notes and explanation
in English (Prakashika - 59)
Siddh?ntasundara? of jñ?naraja is an astronomical text of early 16th century.
It contains two main sections: Grahaga?it?dhy?ya? and Gol?dhy?ya?.
Grahaga?it?dhy?ya? consists of 11 chapters and Gol?dhy?ya? of 6 chapters. The
original author follows the Brahmasiddh?nta? in ??kalyasa?hit? and traditional
method of Indian astronomy. His innovative work on astronomical instruments is
noteworthy. Though it is an astronomical text but one cannot but appreciate the
poetic presentation regarding Seasons in the chapter '?tuvar?anam in the