[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of the Kerala School of Hindu Astronomy (in Perspective)](https://indike.org/pramana/ins.science.sarma-1972) › c8.s2.3 # A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s2.3 A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s2.3 - **Language:** English ### [c8.s2.3](https://indike.org/pramana/ins.science.sarma-1972.c8.s2.3) In India, a formula for this Reduction was enunciated, for the first time, by a contemporary Kerala astronomer Acyuta Piṣāraṭi (1550-1621), author of \*Rāśigola-sphuṭānīti\* (‘Computation of True longitude on the celestial sphere’)² and several other works on astronomy. Acyuta gives his formula for this reduction in the case of the moon in his work entitled \*Sphuṭanirṇaya\* (‘Computation of true longitudes of planets’) in the following verse : - [Previous: c8.s2.2](https://indike.org/pramana/ins.science.sarma-1972.c8.s2.2) - [Next: c8.s2.4](https://indike.org/pramana/ins.science.sarma-1972.c8.s2.4) - [Up: c8.s2](https://indike.org/pramana/ins.science.sarma-1972.c8.s2) ## Linked texts (1) - [Sphuṭanirṇaya](https://indike.org/pramana/in.astro.kerala.sphuta.sphutanirnaya) — Acyuta Piṣāraṭi 1570, Sanskrit --- Source: [https://indike.org/pramana/ins.science.sarma-1972.c8.s2.3](https://indike.org/pramana/ins.science.sarma-1972.c8.s2.3) · Pramāṇa