Darkness data
Unavailable
No measured darkness values are shown.
Tonight check
Is tonight
a night you'll actually see?
Most sky apps publish a forecast once and let it age. This check is rebuilt from live provider data on every visit — MET Norway weather, NOAA space weather, current orbital elements — with the provider and update time labelled on the card. No signup required.
Tonight decision layer
Worth checking: 48/100
Cloud 88% · Moon ~25% · Seeing 2.0″ · Trans 65% → 48/100
Conditions are mixed. Check the map, timing and cloud window before committing to a long drive.
Columbus: [39.9612, -82.9988] · updated Oct 14, 09:24 PM
This verdict is rebuilt live on every check — not a cached forecast. Static apps publish once and leave you planning a night that already changed; this card re-runs the current providers each time you open it.
Next step
If you are planning a later trip, browse the Night Atlas place records and access notes before choosing a destination.
The atlas lists Canterbury and Mackenzie places. Measured darkness is unavailable; no darkness values are shown.
Browse Canterbury & Mackenzie placesCloud
88%
Data from MET Norway · valid 09:00 PM · Provider updated 07:17 PM · Upstream expires 09:55 PM
Moon
~25%
22.1° altitude
Darkness
Unavailable
Measured darkness layer unavailable; no darkness values are shown.
Light dome
Not shown
No verified darkness source is active.
Kp now
2.7
24h max 3.3
ISS
…
checking
Seeing
2.0″
estimated
Trans.
65%
estimated
Moon window
Rise 05:04 PM · Set 01:04 AM
~3 arcmin precision · approximate
ISS next visible pass
Checking…
Satellite pass data loads after the core decision.
Starlink next visible pass
Checking…
Satellite pass data loads after the core decision.
Tonight's full plan
aurora + pass window + cloudAurora odds
Kp 2.7 — low odds from your latitude tonight
24h max Kp 3.3
Pass window
No visible ISS pass in the search window
No visible Starlink pass in the search window
Cloud now
88% · valid 09:00 PM
Single snapshot at check time — cloud can move before a pass window.
Cloud risk
Cloud risk high
88% cloud cover input.
Moon
Moon impact low
25% illumination at 22.1° altitude.
Light pollution
Unavailable
No measured or licensed light-radiance input is active for this decision.
Seeing / transparency
2.0 arcsec / 65%
Combined steadiness and clarity estimate.
Night Atlas
What should I check next?
The public Night Atlas lists Canterbury and Mackenzie places with access notes. It does not show measured darkness values or compare forecast conditions across sites.
Current availability
Forecasts and place notes
This page shows the current forecast inputs listed above. The Night Atlas provides regional place records and access notes; cross-site forecast comparisons, saved-place alerts, and measured darkness readings are unavailable.
Forecast sources: MET Norway Locationforecast valid 2026-10-14T21:00:00Z · Observed feeds: NOAA planetary K-index through 2026-10-14T18:00:00 · Live positions/catalogue deliveries: none. Measured darkness layer unavailable; no darkness values are shown.
Next step
Want to check another place?
Browse the public Night Atlas places and access notes. Measured darkness is unavailable, so no darkness values are shown.
Browse Night Atlas placesHow to read this check
Forecast context,
with clear limits.
The card summarizes current forecast inputs, including cloud, moon, seeing and transparency. It is a planning aid, not a guarantee; check each provider's source and update time before travelling. Measured darkness values are unavailable.
Go · 80+
The available forecast inputs look favorable. Local conditions and access can still change; check again before travelling.
Worth checking · 45–79
Some forecast inputs may be favorable while others are uncertain. Review their source and update time before making plans.
Wait · below 45
The available forecast inputs are not favorable. Conditions can change, so check provider updates before deciding whether to travel.
Editorial note
This page was written and reviewed by Sam, founding editor of Darkest Hour. Live inputs: MET Norway (weather, CC-BY 4.0), NOAA SWPC (space weather), current orbital elements (satellites). The measured darkness layer is unavailable and no darkness values are shown. Editorial standards. Last reviewed 17 Aug 2026.