Contagem
Minas Gerais, Brazil
Today
Feb 21, 2026
0
/ 100
First Light Index
Poor
Our proprietary metric combining sky clarity, moon interference, and light pollution for optimal stargazing conditions.
0
/ 100
Shutter Score
Fair
Photography-specific metric factoring cloud quality and golden hour potential for landscape shooters.
Light Windows Today
4 AM12 PM11 PM
Sunrise
5:50 AM
Golden: 43min
Sunset
6:28 PM
Golden: 43min
True Darkness
7:44 PM
Stars visible
Add to Calendar
Get reminders for golden hour and dark sky windows
Morning Golden Hour
5:36 AM - 6:20 AM
Evening Golden Hour
5:58 PM - 6:42 PM
Dark Sky Window
7:44 PM onwards
📱 How to use:
- 1. Download the .ics file above
- 2. Open it with your calendar app (iPhone Calendar, Google Calendar, Outlook)
- 3. Events will be added automatically
- 4. You'll get 30-minute reminders before each window
30-min reminders
All calendar apps
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No sign-up needed
Moon Phase
14%
Phase
Waxing Gibbous
Illumination
14%
💡 Slight Moon Interference
Moon may affect darkest sky observations
Light Pollution
8
Class 1
DarkClass 5
SuburbanClass 9
City
DarkClass 5
SuburbanClass 9
City
Contagem Classification
Poor for Astronomy
Bortle Class 8: City Sky
City sky
Visible Tonight
Sky glows whitish gray, only brightest stars visible, M44 invisible
💡 Urban Sky Recommendation
Focus on lunar and planetary observation. Consider driving to a darker location for deep sky work.
💡 Tip: Check "Nearby Dark Sky" section below to find better observing sites within driving distance
Weather Conditions
Cloud Cover
71%
Heavy clouds - limited visibility and light
Morning
82%
Evening
48%
Overnight
96%
Precipitation
36%
Possible
Wind
6
km/h avg
Gusts up to 16 km/h
🟢 Calm - Excellent for tracking
Humidity
75%
High - May cause haze
Visibility
9.5
km
Good visibility
Temperature
27°C
High
/
18°C
Low
Seeing
4
/ 5
Excellent - Atmospheric stability
Transparency
1
/ 5
Hazy - Air clarity
Conditions Summary
🌫️ Hazy conditions - Bright objects only, consider light pollution filters
Nearby Dark Sky Locations
Within 100km
Pompéu
Bortle
8
3
Dramatic improvement
121.2km·~1h 31min
Água Rasa
Bortle
8
3
Dramatic improvement
128.9km·~1h 37min
São João da Ponte
Bortle
8
3
Dramatic improvement
443km·~5h 32min
💡 These locations have significantly darker skies (8 → 3). Expect 32x more visible stars.
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