![the sun - About the formula for taking in count of the observer altitude in sunrise/sunset formula - Astronomy Stack Exchange the sun - About the formula for taking in count of the observer altitude in sunrise/sunset formula - Astronomy Stack Exchange](https://i.stack.imgur.com/OM8lD.png)
the sun - About the formula for taking in count of the observer altitude in sunrise/sunset formula - Astronomy Stack Exchange
TOOL) – Online Photoperiod Calculator: Computation of Sunrise, Sunset and Twilight Times (fail-safe) | J. Lammi – 📚 Glossarissimo!
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