Rule
Dark Skies
Telluride - Dark Skies - Rocky Mountains
Telluride, Colorado, United States
Moonless nights with crystal-clear skies for deep-sky photography
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in America/Denver
Next opportunity
Excellent Dark Skies (pristine)
Telluride
Tomorrow · 10:00–11:00 · 1h window
High confidence
73%
🌛Moon Altitude26.8°
☁️Total Cloud Coverage5.2%
Pristine Dark Skies (pristine)
Telluride
Tomorrow · 11:00–19:00
🌛Moon Altitude:-31.6-26.2°
Medium
Dark Skies
Telluride
Tomorrow · 21:00–04:00
🌛Moon Altitude:-75--34.9°
Medium
Good Dark Skies
Telluride
Mon, Feb 16 · 11:00–13:00
🌛Moon Altitude:33.9-35.4°
Low
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72-hour requirements breakdown
What passed or failed, hour by hourOR logic: one branch per group is enough
Meets requirement
Misses requirement
Time America/Denver | Astronomical Night Any | Total Cloud Coverage ≤ 20.0% | Visibility ≥ 12000.0m | Precipitation Chance ≤ 10.0% | Moon Illumination OR1·B1≤ 35.0% | Moon Altitude OR1·B2≤ 10.0° |
|---|---|---|---|---|---|---|
| Fri, Feb 13 | ||||||
| 11:00 | ✓ | 100% | 322m | 100% | 16% | 21° |
| 12:00 | ✓ | 100% | 2790m | 100% | 16% | 16° |
| 13:00 | ✓ | 100% | 1182m | 99% | 16% | 8.5° |
| 14:00 | ✓ | 100% | 301m | 99% | 16% | -0.22° |
| 15:00 | ✓ | 100% | 195m | 99% | 16% | -10° |
| 16:00 | ✓ | 100% | 89m | 99% | 16% | -20° |
| 17:00 | ✓ | 100% | 50m | 100% | 9.3% | -31° |
| 18:00 | ✓ | 100% | 42m | 88% | 9.3% | -43° |
| 19:00 | ✓ | 100% | 44m | 76% | 9.3% | -54° |
| 20:00 | ✓ | 100% | 68m | 64% | 9.3% | -65° |
| 21:00 | ✓ | 100% | 1241m | 66% | 9.3% | -75° |
| 22:00 | ✓ | 100% | 1614m | 69% | 9.3% | -78° |
| 23:00 | ✓ | 100% | 226m | 72% | 9.3% | -72° |
| Sat, Feb 14 | ||||||
| 24:00 | ✓ | 100% | 115m | 48% | 9.3% | -61° |
| 01:00 | ✓ | 100% | 482m | 24% | 9.3% | -50° |
| 02:00 | ✓ | 98% | 688m | 0% | 9.3% | -38° |
| 03:00 | ✓ | 100% | 217m | 13% | 9.3% | -27° |
| 04:00 | ✓ | 100% | 678m | 26% | 9.3% | -16° |
| 05:00 | ✓ | 100% | 381m | 39% | 9.3% | -5.5° |
| 06:00 | ✓ | 95% | 1942m | 26% | 9.3% | 4.1° |
| 07:00 | ✓ | 80% | 12403m | 13% | 9.3% | 13° |
| 08:00 | ✓ | 56% | 17000m | 0% | 9.3% | 20° |
| 09:00 | ✓ | 39% | 24134m | 0% | 9.3% | 24° |
| 10:00 | ✓ | 5.2% | 24135m | 0% | 9.3% | 27° |
| 11:00 | ✓ | 4.9% | 24134m | 0% | 9.3% | 26° |
| 12:00 | ✓ | 2.3% | 24134m | 0% | 9.3% | 23° |
| 13:00 | ✓ | 0.4% | 24134m | 0% | 9.3% | 17° |
| 14:00 | ✓ | 0% | 24134m | 0% | 9.3% | 9.3° |
| 15:00 | ✓ | 0% | 24134m | 0% | 9.3% | 0.26° |
| 16:00 | ✓ | 4.9% | 24134m | 0% | 9.3% | -9.8° |
| 17:00 | ✓ | 2.8% | 24134m | 0% | 4.2% | -20° |
| 18:00 | ✓ | 4.4% | 24134m | 0% | 4.2% | -32° |
| 19:00 | ✓ | 67% | 24135m | 0% | 4.2% | -43° |
| 20:00 | ✓ | 100% | 24134m | 0% | 4.2% | -54° |
| 21:00 | ✓ | 5% | 24135m | 0% | 4.2% | -65° |
| 22:00 | ✓ | 5% | 24135m | 0% | 4.2% | -73° |
| 23:00 | ✓ | 5% | 24135m | 0% | 4.2% | -75° |
| Sun, Feb 15 | ||||||
| 24:00 | ✓ | 5% | 24135m | 0% | 4.2% | -68° |
| 01:00 | ✓ | 5% | 24134m | 0% | 4.2% | -58° |
| 02:00 | ✓ | 5% | 24135m | 0% | 4.2% | -46° |
| 03:00 | ✓ | 5% | 24134m | 0% | 4.2% | -35° |
| 04:00 | ✓ | 100% | 24134m | 0% | 4.2% | -24° |
| 05:00 | ✓ | 100% | 24135m | 0% | 4.2% | -12° |
| 06:00 | ✓ | 100% | 24135m | 0% | 4.2% | -1.8° |
| 07:00 | ✓ | 100% | 24134m | 0% | 4.2% | 8.1° |
| 08:00 | ✓ | 66% | 24135m | 0% | 4.2% | 17° |
| 09:00 | ✓ | 96% | 24135m | 0% | 4.2% | 24° |
| 10:00 | ✓ | 100% | 24135m | 0% | 4.2% | 29° |
| 11:00 | ✓ | 100% | 24135m | 0% | 4.2% | 31° |
| 12:00 | ✓ | 100% | 24134m | 0% | 4.2% | 29° |
| 13:00 | ✓ | 100% | 24135m | 0% | 4.2% | 25° |
| 14:00 | ✓ | 100% | 24134m | 0% | 4.2% | 19° |
| 15:00 | ✓ | 100% | 24135m | 0% | 4.2% | 11° |
| 16:00 | ✓ | 100% | 24135m | 0% | 4.2% | 1.3° |
| 17:00 | ✓ | 100% | 24135m | 0% | 1.2% | -9.1° |
| 18:00 | ✓ | 100% | 24135m | 0% | 1.2% | -20° |
| 19:00 | ✓ | 100% | 24135m | 0% | 1.2% | -31° |
| 20:00 | ✓ | 100% | 24135m | 0% | 1.2% | -43° |
| 21:00 | ✓ | 100% | 24135m | 0% | 1.2% | -54° |
| 22:00 | ✓ | 100% | 24135m | 0% | 1.2% | -64° |
| 23:00 | ✓ | 100% | 24135m | 0% | 1.2% | -70° |
| Mon, Feb 16 | ||||||
| 24:00 | ✓ | 100% | 24135m | 0% | 1.2% | -70° |
| 01:00 | ✓ | 100% | 24135m | 0% | 1.2% | -63° |
| 02:00 | ✓ | 100% | 24135m | 0% | 1.2% | -53° |
| 03:00 | ✓ | 100% | 24135m | 0% | 1.2% | -42° |
| 04:00 | ✓ | 100% | 24135m | 0% | 1.2% | -30° |
| 05:00 | ✓ | 100% | 24135m | 0% | 1.2% | -19° |
| 06:00 | ✓ | 100% | 24135m | 0% | 1.2% | -7.6° |
| 07:00 | ✓ | 99% | 24135m | 0% | 1.2% | 3.2° |
| 08:00 | ✓ | 99% | 24135m | 0% | 1.2% | 13° |
| 09:00 | ✓ | 71% | 24135m | 0% | 1.2% | 22° |
| 10:00 | ✓ | 43% | 24135m | 0% | 1.2% | 29° |
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity). For OR groups, only one branch is required, so some OR-branch predicates can be ✕ even in a matching hour.
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