Bharatiya Jyotihshastra (History of Indian Astronomy), translated by R. V. Vaidya v2.c12.s5.65

v2.c12.s5.65

This instrument was invented by Cintāmaṇi Dikṣit (page 174). He has written a work entitled Golānanda concerning the instrument. It contains 124 verses. It has chapters (adhikārs) on the construction of the instrument, mean places, true places, three problems, eclipses, shadow, risings and settings of planets, observations and conjunctions. The following things can be found from observations taken by the Golānanda instrument :- Equation of centre to be applied to planets, planet's distance from the earth, true motion, declinations, ascensional difference, ascendant, directions, amplitude, zenith distance, valan (deflections), parallax, nati (parallex in latitude), latitude, drkkarma and the desired time. There is a commentary on the work entitled Golānandānubhāvikā by Yajñeśwara.