सिद्धान्तदर्पण (महामहोपाध्याय सामन्त चन्द्रशेखर सिंह - नग्न-नेत्र खगोल वेध एवं गणित महाकोश)

Introduction xxxi
TABLE 2

| | Eng.Ast. | Surya S. | Siromani | Darpana |

| Mercury* ... | 7° 0' 8'' | 5° 55' | 6° 55' | 7° 2' |
| Venus* ... | 3 53 35 | 2 46 | 3 6 | 3 23 |
| Mars ... | 1 51 2 | 1 30 | 1 50 | 1 51 |
| Jupiter ... | 1 18 41 | 1 0 | 1 16 | 1 18 |
| Saturn ... | 2 29 40 | 2 0 | 2 40 | 2 29 |
| Moon ... | 5 8 48 | 4 30 | 4 30 | 5 9 |
| Obliquity of ... | 23 27 | 24 0 | 24 0 | 23 30 |
| the Ecliptic | | | | |

The inclination given in the Siddhantas is reduced to the geocentric system. The general reader may be reminded that the inclinations
are all subject to variation and that the old Siddhanta values were not so far wide of the truth as they appear from the table.
TABLE 3

| | English Astronomy | Surya-Siddhanta** | Siddhanta Darpana** |

| Sun ... | 1° 55' 19'' | 2° 10' 31'' | 1 55' 33'' |
| Moon ... | 6 3 41 | 5 2 46 | 5 1 10 |

** According to Siromoni, the Sun's equation is the same as is shown under Surya-Siddhanta and the Moon's equation is slightly less.