DISCOVER THE NIGHT: INTERNATIONAL DARK SKY WEEK IS HERE!

 DISCOVER THE NIGHT: INTERNATIONAL DARK SKY WEEK IS HERE!

https://idsw.darksky.org/

https://www.darksky.org/

https://federacionastronomica.es/index.php/la-federacion/historico/131-actualidad-2019-semana-internacional-cielo-oscuro

Ciencia ciudadana: https://www.globeatnight.org/es/webapp/