Saltillo
Coahuila, Mexico
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
Excellent
Photography-specific metric factoring cloud quality and golden hour potential for landscape shooters.
Light Windows Today
4 AM12 PM11 PM
Sunrise
7:13 AM
Golden: 45min
Sunset
6:41 PM
Golden: 45min
True Darkness
7:58 PM
Stars visible
Add to Calendar
Get reminders for golden hour and dark sky windows
Morning Golden Hour
6:59 AM - 7:44 AM
Evening Golden Hour
6:10 PM - 6:55 PM
Dark Sky Window
7:58 PM onwards
๐ฑ 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
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Moon Phase
14%
Phase
Waxing Gibbous
Illumination
14%
๐ก Slight Moon Interference
Moon may affect darkest sky observations
Light Pollution
7
Class 1
DarkClass 5
SuburbanClass 9
City
DarkClass 5
SuburbanClass 9
City
Saltillo Classification
Moderate for Astronomy
Bortle Class 7: Suburban/Urban Transition
Suburban/urban transition
Visible Tonight
Entire sky grayish, strong light sources visible, M31 difficult
๐ก Urban Sky Recommendation
Focus on lunar and planetary observation. Consider driving to a darker location for deep sky work.
๐ก Tip: Check "Nearby Dark Sky" section below to find better observing sites within driving distance
Weather Conditions
Cloud Cover
50%
Moderate cloud cover - potential for dramatic skies
Morning
11%
Evening
100%
Overnight
0%
Precipitation
10%
Very unlikely
Wind
28
km/h avg
Gusts up to 33 km/h
๐ด Windy - Challenging conditions
Humidity
42%
Moderate
Visibility
48.7
km
Excellent clarity
Temperature
24ยฐC
High
/
13ยฐC
Low
Seeing
4
/ 5
Excellent - Atmospheric stability
Transparency
4
/ 5
Very Clear - Air clarity
Conditions Summary
โญ Premium conditions - Excellent for high-magnification planetary work and deep sky imaging
Nearby Dark Sky Locations
Within 100km
๐ก These locations have significantly darker skies (7 โ 2). Expect 32x more visible stars.
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