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Bortle 2 ★ IDA International Dark Sky Park 📍 Colorado, United States

Great Sand Dunes National Park

37.7916000° N, -105.5943000° E • Elevation: 2500m

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🌌 About This Observing Location

The tallest dunes in North America backed by the rugged Sangre de Cristo Mountains, offering an otherworldly surreal nightscape.

Bortle Scale Class 2
Elevation 2500 m
Latitude 37.792°
Longitude -105.594°

☁️ 4-Night Stargazing Cloud Forecast

Updated hourly via Open-Meteo
Wed, Nov 4
38%
Avg Night Cloud
Sunset: 17:00
Sunrise: 06:31
Fair Sky
Thu, Nov 5
98%
Avg Night Cloud
Sunset: 16:59
Sunrise: 06:32
Overcast Sky
Fri, Nov 6
98%
Avg Night Cloud
Sunset: 16:58
Sunrise: 06:33
Overcast Sky
Sat, Nov 7
59%
Avg Night Cloud
Sunset: 16:57
Sunrise: 06:34
Fair Sky

✨ Darkness & Sky Quality

Class 2: Truly dark site with negligible glow.

Naked-Eye Limiting Mag: 7.1 – 7.5 mag
Milky Way Visibility: Brilliant with complex structures
Zodiacal Light: Distinct in spring/autumn

🛰️ ISS Transits & Flyovers

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Track this spot to compute personalized solar & lunar transit predictions.