762 Bulgaria June 2022

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Latitude for travelling and navigate Calculate the latitude of the place determining the height of the Sun at noon (experience 1) and, if possible, determine the altitude of the pole or the Polar star (experience 2) and record the results of each experience in the following Table of Results:

Teacher’s Name Ivo Jokin School were taking place the experiment Municipal center for extracurricular activities City and country Baykal village, Bulgaria

Real Latitude 43º 42´32.17´´N

Day, month, hour=midday* 21.06.2022, 12:00

Solar Declination +23º 26´ 07´´

Day, month, hour= 21.06.2022, 10 p.m.

Latitude with the pole ** 43

Latitude by the Sun 48º 26´

This table with the data and results, and 2 or 3 photos of the experiment, mustbe sent before September 23, 2022 to newsletter.nase@gmail.com *You can only calculate the latitude with the Sun, when it is at the highest point of its diurnal trajectory, that is, at noon from the Sun. For this reason, the quadrant must be used when the sundial indicates 12 o'clock. **The latitude with the pole can only be calculated if the polar zone is observed from our city, that is, if we are not in the tropical zone or close to it.

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