YOUR WINDOW TO THE NIGHT SKY

Is tonight a good night
to look up?

Clouds, moonlight and darkness — distilled into one practical stargazing forecast.

SIMPLE SCIENCE, USEFUL ANSWERS

Three things decide your view

01

Darkness

Astronomical twilight and local sunset tell us when the sky truly gets dark.

02

Clarity

Cloud cover and visibility determine how much of the sky reaches your eyes.

03

Moonlight

A bright Moon is beautiful, but it can wash out faint stars and galaxies.

LEARN THE SKY

Field guides for curious nights