Rule
Dark Skies
Vail - Dark Skies - Rocky Mountains
Edwards, 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)
Vail
Tomorrow · 02:00–03:00 · 1h window
High confidence
73%
🌛Moon Altitude-37.5°
☁️Total Cloud Coverage6.4%
Good Dark Skies
Vail
Tomorrow · 03:00–04:00
🌛Moon Altitude:-26.4°
Medium
Pristine Dark Skies (pristine)
Vail
Tomorrow · 09:00–13:00
🌛Moon Altitude:20.8-25.1°
Medium
Dark Skies
Vail
Tomorrow · 13:00–16:00
🌛Moon Altitude:-1.4-15.1°
Medium
Pristine Dark Skies (pristine)
Vail
Tomorrow · 16:00–17:00
🌛Moon Altitude:-11.3°
Medium
Dark Skies
Vail
Tomorrow · 17:00–19:00
🌛Moon Altitude:-32.7--21.8°
Medium
Pristine Dark Skies (pristine)
Vail
Tomorrow · 19:00–21:00
🌛Moon Altitude:-54.7--43.8°
Medium
+7 more windows in the next 10 days
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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% | 24134m | 100% | 16% | 19° |
| 12:00 | ✓ | 100% | 22969m | 99% | 16% | 14° |
| 13:00 | ✓ | 100% | 23124m | 99% | 16% | 6.6° |
| 14:00 | ✓ | 100% | 21462m | 98% | 16% | -2° |
| 15:00 | ✓ | 100% | 8424m | 99% | 16% | -12° |
| 16:00 | ✓ | 100% | 2718m | 99% | 16% | -22° |
| 17:00 | ✓ | 100% | 466m | 99% | 9.3% | -33° |
| 18:00 | ✓ | 100% | 176m | 82% | 9.3% | -44° |
| 19:00 | ✓ | 100% | 133m | 66% | 9.3% | -55° |
| 20:00 | ✓ | 100% | 169m | 49% | 9.3% | -65° |
| 21:00 | ✓ | 100% | 2342m | 52% | 9.3% | -74° |
| 22:00 | ✓ | 100% | 17864m | 54% | 9.3% | -76° |
| 23:00 | ✓ | 95% | 17177m | 56% | 9.3% | -70° |
| Sat, Feb 14 | ||||||
| 24:00 | ✓ | 82% | 21316m | 38% | 9.3% | -60° |
| 01:00 | ✓ | 11% | 24135m | 19% | 9.3% | -49° |
| 02:00 | ✓ | 6.4% | 24134m | 0% | 9.3% | -37° |
| 03:00 | ✓ | 11% | 24135m | 0% | 9.3% | -26° |
| 04:00 | ✓ | 43% | 19760m | 0% | 9.3% | -16° |
| 05:00 | ✓ | 46% | 19285m | 0% | 9.3% | -5.5° |
| 06:00 | ✓ | 41% | 17157m | 0% | 9.3% | 3.8° |
| 07:00 | ✓ | 40% | 17243m | 0% | 9.3% | 12° |
| 08:00 | ✓ | 24% | 21009m | 0% | 9.3% | 19° |
| 09:00 | ✓ | 4.6% | 24134m | 0% | 9.3% | 23° |
| 10:00 | ✓ | 0% | 24135m | 0% | 9.3% | 25° |
| 11:00 | ✓ | 0% | 24134m | 0% | 9.3% | 24° |
| 12:00 | ✓ | 0% | 24134m | 0% | 9.3% | 21° |
| 13:00 | ✓ | 5% | 24134m | 0% | 9.3% | 15° |
| 14:00 | ✓ | 5% | 24134m | 0% | 9.3% | 7.5° |
| 15:00 | ✓ | 5% | 24134m | 0% | 9.3% | -1.4° |
| 16:00 | ✓ | 3.4% | 24134m | 0% | 9.3% | -11° |
| 17:00 | ✓ | 5% | 24134m | 0% | 4.2% | -22° |
| 18:00 | ✓ | 5% | 24134m | 0% | 4.2% | -33° |
| 19:00 | ✓ | 4.7% | 24135m | 0% | 4.2% | -44° |
| 20:00 | ✓ | 3.4% | 24134m | 0% | 4.2% | -55° |
| 21:00 | ✓ | 77% | 24135m | 0% | 4.2% | -65° |
| 22:00 | ✓ | 100% | 24135m | 0% | 4.2% | -72° |
| 23:00 | ✓ | 5% | 24135m | 0% | 4.2% | -73° |
| Sun, Feb 15 | ||||||
| 24:00 | ✓ | 14% | 24135m | 0% | 4.2% | -66° |
| 01:00 | ✓ | 43% | 24134m | 0% | 4.2% | -56° |
| 02:00 | ✓ | 48% | 24135m | 0% | 4.2% | -45° |
| 03:00 | ✓ | 32% | 24134m | 0% | 4.2% | -34° |
| 04:00 | ✓ | 10% | 24134m | 0% | 4.2% | -23° |
| 05:00 | ✓ | 5% | 24135m | 0% | 4.2% | -12° |
| 06:00 | ✓ | 90% | 24135m | 0% | 4.2% | -1.7° |
| 07:00 | ✓ | 93% | 24134m | 0% | 4.2% | 7.8° |
| 08:00 | ✓ | 100% | 24135m | 0% | 4.2% | 16° |
| 09:00 | ✓ | 63% | 24135m | 0% | 4.2% | 23° |
| 10:00 | ✓ | 5% | 24135m | 0% | 4.2% | 27° |
| 11:00 | ✓ | 12% | 24135m | 0% | 4.2% | 29° |
| 12:00 | ✓ | 60% | 24134m | 0% | 4.2% | 28° |
| 13:00 | ✓ | 100% | 24135m | 0% | 4.2% | 24° |
| 14:00 | ✓ | 92% | 24134m | 0% | 4.2% | 17° |
| 15:00 | ✓ | 100% | 24135m | 0% | 4.2% | 9° |
| 16:00 | ✓ | 100% | 24135m | 0% | 4.2% | -0.36° |
| 17:00 | ✓ | 84% | 24135m | 0% | 1.2% | -11° |
| 18:00 | ✓ | 89% | 24135m | 0% | 1.2% | -21° |
| 19:00 | ✓ | 94% | 24135m | 0% | 1.2% | -32° |
| 20:00 | ✓ | 100% | 24135m | 0% | 1.2% | -43° |
| 21:00 | ✓ | 94% | 24135m | 0% | 1.2% | -54° |
| 22:00 | ✓ | 89% | 24135m | 0% | 1.2% | -63° |
| 23:00 | ✓ | 84% | 24135m | 0% | 1.2% | -69° |
| Mon, Feb 16 | ||||||
| 24:00 | ✓ | 62% | 24135m | 0% | 1.2% | -68° |
| 01:00 | ✓ | 40% | 24135m | 0% | 1.2% | -61° |
| 02:00 | ✓ | 18% | 24135m | 0% | 1.2% | -52° |
| 03:00 | ✓ | 33% | 24135m | 0% | 1.2% | -41° |
| 04:00 | ✓ | 49% | 24135m | 0% | 1.2% | -29° |
| 05:00 | ✓ | 64% | 24135m | 0% | 1.2% | -18° |
| 06:00 | ✓ | 71% | 24135m | 0% | 1.2% | -7.2° |
| 07:00 | ✓ | 78% | 24135m | 0% | 1.2% | 3.3° |
| 08:00 | ✓ | 85% | 24135m | 0% | 1.2% | 13° |
| 09:00 | ✓ | 71% | 24135m | 0% | 1.2% | 21° |
| 10:00 | ✓ | 57% | 24135m | 0% | 1.2% | 28° |
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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