ASTRONOMY & ENVIRONMENT

Night Planning

Explore sky darkness, clouds, weather, air quality, moonlight and the best observing window.

INTERACTIVE NIGHT-PLANNING DEMO

Brookfield, Wisconsin, US

StarNest combines sky darkness and local environmental forecasts into one simple observing plan. Choose another sample location to see how the experience changes.

Estimated BortleClass 6Bright suburban sky
Best tonight76/100Around 10:00 PM
Global darkness28thDarker than 28% of land locations
Night window8:42 PMUntil 5:20 AM
SKY QUALITY

Location overview

Sample presentation data
✧
Estimated BortleClass 6Bright suburban sky
◐
Global darkness percentile28thDarker than 28% of global land
⌂
Country darkness percentile32ndDarker than 32% of U.S. land
◎
Night-light radiance12.8nW/cm²/sr • VIIRS proxy
◉
Current observing score42/100Poor right now
★
Best score tonight76/100Best around 10:00 PM
☁
Cloud coverage76%Low 7% • Mid 0% • High 77%
☾
MoonWaxing Crescent15% illuminated
♨
Weather80°FPartly cloudy • Feels 80°F
◌
Air quality95 AQIModerate • PM2.5 3.9 µg/m³
↔
Visibility8.2 miHumidity 63%
➤
Wind9 mphRain chance 18%
TONIGHT

Hourly observing outlook

Demo forecast
SCORE BREAKDOWN

Why this score?

Clouds
24
Precipitation
82
Visibility
68
Wind
74
Moonlight
85
COMPARE

See what a darker site changes

Brookfield, WIBortle 6 • Best 76/100
VS
Cherry Springs, PABortle 2 • Best 95/100
This is a visual prototype with sample Bortle, percentile and forecast values. The production public demo can use the same interface with live weather and a StarNest light-pollution API backed by VIIRS data.
STARNEST LABS

Set observatory location

For this visual prototype, select one of the prepared sample locations. The production version will accept an address, ZIP code or latitude/longitude.
STARNEST LABS

Compare two locations
STARNEST LABS

Report a bug

Dashboard section

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