Noctilume

Should you go out tonight to see the northern lights – and where should you look?

Noctilume combines space weather, cloud cover, darkness and the moon into one clear answer: Good, Maybe or No, with the best time and a short reason. Most aurora apps are built for the Arctic and say 0 % while the sky glows over Denmark. Noctilume adjusts to where you are, so the answer makes sense at mid latitudes too.

SIMPLE WHEN YOU WANT IT • Tonight's answer: Good, Maybe or No, the best time and why • Right now: is the activity strong enough here, and is it rising or falling? • Cloud cover for your area over the coming hours • Compass that points towards the aurora, usually low in the north • What to expect: aurora is often faint to the eye but clear on camera • Camera tips for iPhone Night mode and real cameras

DEEP WHEN YOU WANT THAT • Kp index, observed and forecast, with the level needed where you are • Solar wind speed and density, Bz and Bt, as graphs • Map of the auroral oval • 3-night forecast, darkness, moon phase and moonrise

MADE FOR THE FIELD • Red night mode that keeps your night vision • Choose Beginner, Intermediate or Expert, then add, remove and reorder cards • Save your own dashboards, for example "Home" or "Photo" • Share tonight's answer with friends

PRIVATE No account, no ads, no tracking. Your exact location stays on your phone; only an area rounded to about 10 km is used to get the cloud forecast.

DATA Space weather: NOAA Space Weather Prediction Center. Cloud cover: DMI (Danish Meteorological Institute) in Denmark and MET Norway elsewhere, both under CC BY 4.0.

The forecast is new and is being tuned during the 2026/27 season. After a night out, the app asks whether you saw aurora. Your answers stay on your phone as your own log.