1. North Region Arizona
Best window: Wednesday 10:00 PM-12:00 AM MST
Darkness: B2 (Zone class: BEST)
Data: 2026-05-20 (Fresh)
Milky Way visibility | Arizona
Best window: Wednesday 10:00 PM-12:00 AM MST
State signal: 95 (Clear window with strong viewing conditions.)
Plan for darker horizons and lower moon interference inside the best-window range.
Best current candidates
Best window: Wednesday 10:00 PM-12:00 AM MST
Darkness: B2 (Zone class: BEST)
Best window: Wednesday 10:00 PM-12:00 AM MST
Darkness: B2 (Zone class: BEST)
Best window: Wednesday 10:00 PM-12:00 AM MST
Darkness: B2 (Zone class: BEST)