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CALCULATING…
BEST WINDOW—
- CLOUD
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- RAIN RISK
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- VISIBILITY
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- DARKNESS
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- MOON
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- TEMPERATURE
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LOCAL OBSERVING OUTLOOK / SEVEN NIGHTS
Combine astronomical darkness, cloud, rain, visibility, Moon glare, meteor activity, and the current ISS signal into one honest observing forecast.
01 / CHOOSE AN AREA
Use your browser or search for a city. Only coordinates rounded to 0.1°—roughly an 11 km grid—are saved and requested.
The shower calendar is being matched to local darkness and weather.
Checking for a sunlit station against a dark local sky.
Cloud forecasts become less certain farther out. Local haze, terrain, and light pollution are not fully represented.
DATA SOURCES ↗03 / SEVEN-NIGHT OUTLOOK
Scores compare weather and natural sky brightness during astronomical darkness.