Coimbatore
Tamil Nadu, India
Today
Feb 25, 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
6:39 AM
Golden: 41min
Sunset
6:31 PM
Golden: 41min
True Darkness
7:42 PM
Stars visible
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Morning Golden Hour
6:25 AM - 7:07 AM
Evening Golden Hour
6:03 PM - 6:44 PM
Dark Sky Window
7:42 PM onwards
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- 1. Download the .ics file above
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Moon Phase
56%
Phase
First Quarter
Illumination
56%
⚠️ High Moon Interference
Bright moonlight will wash out faint deep sky objects
Light Pollution
7
Class 1
DarkClass 5
SuburbanClass 9
City
DarkClass 5
SuburbanClass 9
City
Coimbatore Classification
Moderate for Astronomy
Bortle Class 7: Suburban/Urban Transition
Suburban/urban transition
Visible Tonight
Entire sky grayish, strong light sources visible, M31 difficult
💡 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
67%
Heavy clouds - limited visibility and light
Morning
37%
Evening
86%
Overnight
60%
Precipitation
75%
Very likely
Wind
12
km/h avg
Gusts up to 29 km/h
🟡 Breezy - May affect tracking
Humidity
75%
High - May cause haze
Visibility
23.6
km
Excellent clarity
Temperature
31°C
High
/
21°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
Cherpulassery
Bortle
7
3
Dramatic improvement
73.2km·~55min
Vāniyamkulam
Bortle
7
3
Dramatic improvement
73.4km·~55min
Valparai
Bortle
7
3
Dramatic improvement
75.1km·~56min
💡 These locations have significantly darker skies (7 → 3). Expect 16x more visible stars.
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