Department of Physics

User's Guide to the Night Sky

The Daily Track of the Sun Track across the Sky

The animiation shows the daily track of the Sun across the sky at the time of the summer solstice as seen from Latitude = +75°. At this date at this high latitude the Sun is continuously above the horizon. The Sun reaches a maximum altitude of 38.5° i.e. (90° &minus 75° + 23.5°) when due south at noon. The Sun reaches a minimum altitude of 8.5° i.e. (23.5° − 15°) when due north at midnight. The track of the Sun across the sky is the same as the Dec = +23.5° line.

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