CHAP. 22. To find the distance of a star from the Meridian.
IF a Starre be between the Mid-heaven and the Horoscope deduct the Right Ascension of the Mid-heaven from the Right Ascension of the Starre, what remaineth is the distance from the Meridian. If a starre be between the Mid-heaven and the 7 house, deduct the Right Ascen∣sion of the starre from the Right Ascension of the Mid-heaven, and what remaineth is the distance as before.
IF a starre be between the 7 house and the Imum Coeli or fourth house, deduct the Right Ascension of the Imum Coeli from the Right Ascension of the starre, and what remaineth is the distance from the Meridan. If a star be between the Ascendant and the Imum Coeli deduct the Right Ascensi∣on of the star from the Right Ascension of the Imum Coeli, and what re∣maineth is the distance from the Meridian as before.
For Example. In the preceding figure, the Right Ascension of the Mid-heaven is 072 deg. 82 parts. The Sun is in the 12 house and his
- Right Ascension
- 155. 97
- From which deduct the Right Ascension of the M. C.
- 72. 82
- The distance of the Sun from the Meridian is
- 83. 15