[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [The Astronomical Observatories of Jai Singh](https://indike.org/pramana/ins.science.kaye-1918) › c8.15 # The Astronomical Observatories of Jai Singh c8.15 The Astronomical Observatories of Jai Singh c8.15 - **Language:** English ### [c8.15](https://indike.org/pramana/ins.science.kaye-1918.c8.15) | | VALUES ON THE INSTRUMENT. | | | CALCULATED VALUES. | | | | Lat. | Longest day. | tan φ | Sin φ | Longest day. | tan φ | sin φ | | ° | \*g.\* \*p.\* | \*h.\* \*m.\* \*s.\* | | | \*h.\* \*m.\* \*s.\* | | | | 22 | 33 30 = 13 24 0 | 5/13 = ·417 | 5/13 = ·385 | 13 22 52 | ·404 | ·375 | | 23 | 33 50 = 13 32 0 | (5'6')/12 = ·439 | (5'6')/(13'3') = ·391 | 13 27 16 | ·424 | ·391 | | 37 | 36 24 = 14 33 36 | 9/12 = ·750 | 9/15 = ·600 | 14 36 48 | ·754 | ·588 | - [Previous: c8.14](https://indike.org/pramana/ins.science.kaye-1918.c8.14) - [Next: c8.16](https://indike.org/pramana/ins.science.kaye-1918.c8.16) - [Up: c8](https://indike.org/pramana/ins.science.kaye-1918.c8) --- Source: [https://indike.org/pramana/ins.science.kaye-1918.c8.15](https://indike.org/pramana/ins.science.kaye-1918.c8.15) · Pramāṇa