Thailand's first decision-support platform for dark sky tourism. Real-time observing scores, cloud forecasts, moon phases, and light pollution — all unified in one place.
StarPath unifies the data astrophotographers need — light pollution, lunar mechanics, and live weather — into a single decision platform.
Composite 0–100 score from moon illumination, rise/set timing, cloud cover, and Bortle class darkness. Weighted for astrophotography.
Updated hourlyOpen-Meteo hourly forecasts including precipitable water vapour and low, mid, and high cloud layers — far more detailed than standard weather apps.
7-day windowMonthly calendar highlighting the dark window — the 8–10 day band around new moon when Milky Way photography is viable. Plan trips weeks ahead.
Dark window alertFrom Thailand's latitude (~15°N), the galactic core is visible February–October, peaking April–August. Full seasonal calendar per site.
Feb – Oct seasonAll 63 NARIT-registered dark sky sites across 6 regions with Bortle class and Sky Quality Meter ratings where available.
Bortle 1–9 scaleFires only when all three critical conditions align — low light pollution, dark moon phase, and clear skies. The ultimate astrophotography night.
Rare event alertComposite scores weighted by moon phase (55%), dark sky quality (45%), and cloud multiplicative veto. Top 8 sites shown.
The galactic core is visible for 9 months from Thailand. Peak season runs April through August when the core rises highest in the southern sky.
Enable smart alerts for each condition. StarPath monitors all 63 sites and notifies you the moment conditions align.
No technical knowledge required — StarPath does the astronomy for you.
Browse all 63 NARIT-listed dark sky sites on the interactive map with Bortle class overlay and SQM ratings.
View the 7-night forecast and moon phase calendar to identify ideal dark nights weeks in advance.
Enable notification triggers for any condition combination. StarPath monitors every site continuously.
Head out knowing you picked the best possible night at the best site — no guesswork, no wasted trips.