Map hub

Dark sky map

Use darker-sky areas with low cloud windows for stronger Milky Way and faint-target visibility.

View darkness layer on map

Use this map when

Darkness matters most

Use this when darkness matters most, especially for Milky Way, meteor showers, and faint deep-sky targets.

Strong state candidates tonight

State-level starting points for dark-sky planning

Arkansas - best window mon 11:00pm-2:00am CDT
Colorado - best window mon 11:00pm-2:00am MDT
North Dakota - best window tue 12:00am-3:00am CDT
Pennsylvania - best window mon 11:00pm-1:00am EDT
West Virginia - best window tue 12:00am-3:00am EDT

What to confirm before driving

Darkness is only one part of the decision

Confirm cloud cover stays low through the best window.
Check moon interference for faint-target and Milky Way plans.
Verify legal access, parking, and closing hours before leaving.