Visit Rovaniemi on Instagram: "Why is September (and autumn in general) good period for Northern Lights in Rovaniemi? Let us tell you! 💚💜✨ 💚 Equinox Effect – around the Autumn Equinox (22 Sept this year), geomagnetic activity can be stronger, meaning more Auroras! 💚 Double Auroras – lakes and rivers aren’t frozen yet, so you’ll see stunning reflections in the water. 💚 Comfort outdoors – nights are dark enough but still mild, no need to freeze. 💚 Clear skies – September weather often means

Griffin Museum of Science and Industry on Instagram: "🌅 What happens when you combine astronomy and geography? You get Chicagohenge! ☀️ During the equinox, the sun lines up perfectly with Chicago’s east–west streets for a stunning view."