# EXERCISE 30 — LATITUDE BY MERIDIAN ALTITUDE SUN (Numerical Solution)

###### Points to pounder prior to solving problems of this chapter.
• True Altitude is named same as Azimuth
• MZD is named opposite to T Alt.
• If MZD and Dec are of same name so add and retain same name and If of opposite names then subtract the smaller one from the larger one and retain the name of the larger one.
• Whether ‘d’ correction is to be added or subtracted is known by inspecting the Dec for the required hour and the next hour. If Dec is increasing, d correction is to be added and vice-versa.
• In order to know the naming of T Alt and MZD, one should draw a diagram and easily know and understand the naming system. Drawing the diagram in exams may leave a positive impression, that the candidate has understood the fundamentals correctly irrespective of clerical errors.

• Mohd khaleel says:

How can identify that true alt “s” or N”

• Abhishek Manral says:

it is named North or South, with respect to observer and the declination, if observer is north and declination is south then Cel body is south, so you can use this.

• Nitish Kumar Maurya says:

In the 5th solutions how the sextant altitude is 61°27.5′. I couldn’t understand

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