Insufficient data for trend analysis
Calculate equivalent exposure times for astrophotography based on light pollution conditions.
Searching...
Analyzing sky brightness...
--
--
--%
--
⚠️ Rough estimate only (±1-2 Bortle error). Results affected by camera auto-exposure, ISO, gamma correction, etc. Cannot replace professional SQM meters.
Natural night sky
Rural sky
Suburban sky
Urban sky
City core
Minimal aurora activity expected
Possible aurora visibility under dark skies
Strong aurora activity expected
Excellent aurora viewing conditions