Rule
Dark Skies
Durango - Dark Skies - Rocky Mountains
Pagosa Springs, 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
Pristine Dark Skies (pristine)
Durango
Tomorrow · 24:00–06:00 · 6h window
Medium confidence
51%
🌛Moon Altitude-47.6-5.8°
☁️Total Cloud Coverage0-4.7%
Pristine Dark Skies (pristine) at Dawn
Durango
Tomorrow · 06:00–07:00
🌛Moon Altitude:14°
Medium
Pristine Dark Skies (pristine) at Sunrise
Durango
Tomorrow · 07:00–08:00
🌛Moon Altitude:20.5°
Medium
Pristine Dark Skies (pristine)
Durango
Tomorrow · 08:00–21:00
🌛Moon Altitude:-68.4-26.4°
Medium
Good Dark Skies
Durango
Sat, Mar 14 · 04:00–05:00
🌛Moon Altitude:-10.7°
Medium
Excellent Dark Skies (pristine) at Dawn
Durango
Sat, Mar 14 · 06:00–07:00
🌛Moon Altitude:9.3°
Medium
Excellent Dark Skies (pristine) at Sunrise
Durango
Sat, Mar 14 · 07:00–08:00
🌛Moon Altitude:17.5°
Medium
+12 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° |
|---|---|---|---|---|---|---|
| Wed, Mar 11 | ||||||
| 22:00 | ✓ | 0.3% | 24134m | 0% | 39% | -61° |
| 23:00 | ✓ | 0% | 24135m | 0% | 39% | -50° |
| Thu, Mar 12 | ||||||
| 24:00 | ✓ | 0% | 24135m | 0% | 39% | -38° |
| 01:00 | ✓ | 5% | 24134m | 0% | 39% | -27° |
| 02:00 | ✓ | 0% | 24134m | 0% | 39% | -16° |
| 03:00 | ✓ | 0% | 24134m | 0% | 39% | -5.9° |
| 04:00 | ✓ | 0.1% | 24134m | 0% | 39% | 3.5° |
| 05:00 | ✓ | 0.1% | 24134m | 0% | 39% | 12° |
| 06:00 | ✓ | 5% | 24135m | 0% | 39% | 18° |
| 07:00 | ✓ | 0.8% | 24135m | 0% | 39% | 23° |
| 08:00 | ✓ | 2% | 24134m | 0% | 39% | 25° |
| 09:00 | ✓ | 4.7% | 24135m | 0% | 39% | 24° |
| 10:00 | ✓ | 0.7% | 24134m | 0% | 39% | 20° |
| 11:00 | ✓ | 18% | 24135m | 0% | 39% | 14° |
| 12:00 | ✓ | 6.1% | 24134m | 0% | 39% | 6.6° |
| 13:00 | ✓ | 8.6% | 24134m | 0% | 39% | -2.5° |
| 14:00 | ✓ | 100% | 24135m | 0% | 39% | -12° |
| 15:00 | ✓ | 62% | 24135m | 0% | 39% | -23° |
| 16:00 | ✓ | 8% | 24134m | 0% | 39% | -34° |
| 17:00 | ✓ | 83% | 24135m | 0% | 39% | -46° |
| 18:00 | ✓ | 100% | 24135m | 0% | 30% | -57° |
| 19:00 | ✓ | 100% | 24135m | 0% | 30% | -68° |
| 20:00 | ✓ | 100% | 24135m | 0% | 30% | -78° |
| 21:00 | ✓ | 100% | 24134m | 0% | 30% | -79° |
| 22:00 | ✓ | 100% | 24135m | 0% | 30% | -70° |
| 23:00 | ✓ | 84% | 24135m | 0% | 30% | -59° |
| Fri, Mar 13 | ||||||
| 24:00 | ✓ | 4.6% | 24134m | 0% | 30% | -48° |
| 01:00 | ✓ | 4.7% | 24135m | 0% | 30% | -36° |
| 02:00 | ✓ | 0% | 24134m | 0% | 30% | -25° |
| 03:00 | ✓ | 0% | 24134m | 0% | 30% | -14° |
| 04:00 | ✓ | 0% | 24135m | 0% | 30% | -3.6° |
| 05:00 | ✓ | 0% | 24135m | 0% | 30% | 5.8° |
| 06:00 | ✓ | 0% | 24135m | 0% | 30% | 14° |
| 07:00 | ✓ | 0% | 24134m | 0% | 30% | 20° |
| 08:00 | ✓ | 0% | 24135m | 0% | 30% | 25° |
| 09:00 | ✓ | 0% | 24134m | 0% | 30% | 26° |
| 10:00 | ✓ | 0% | 24134m | 0% | 30% | 25° |
| 11:00 | ✓ | 0% | 24135m | 0% | 30% | 21° |
| 12:00 | ✓ | 0% | 24135m | 0% | 30% | 15° |
| 13:00 | ✓ | 0% | 24135m | 0% | 30% | 6.8° |
| 14:00 | ✓ | 0% | 24135m | 0% | 30% | -2.5° |
| 15:00 | ✓ | 0% | 24134m | 0% | 30% | -13° |
| 16:00 | ✓ | 0% | 24134m | 0% | 30% | -24° |
| 17:00 | ✓ | 0% | 24134m | 0% | 30% | -35° |
| 18:00 | ✓ | 0% | 24135m | 0% | 22% | -46° |
| 19:00 | ✓ | 3% | 24135m | 0% | 22% | -58° |
| 20:00 | ✓ | 0% | 24135m | 0% | 22% | -68° |
| 21:00 | ✓ | 39% | 24135m | 0% | 22% | -77° |
| 22:00 | ✓ | 83% | 24134m | 0% | 22% | -76° |
| 23:00 | ✓ | 100% | 24134m | 0% | 22% | -67° |
| Sat, Mar 14 | ||||||
| 24:00 | ✓ | 78% | 24135m | 0% | 22% | -56° |
| 01:00 | ✓ | 29% | 24134m | 0% | 22% | -45° |
| 02:00 | ✓ | 70% | 24135m | 0% | 22% | -33° |
| 03:00 | ✓ | 63% | 24135m | 0% | 22% | -22° |
| 04:00 | ✓ | 18% | 24134m | 0% | 22% | -11° |
| 05:00 | ✓ | 45% | 24135m | 0% | 22% | -0.25° |
| 06:00 | ✓ | 5.3% | 24134m | 0% | 22% | 9.3° |
| 07:00 | ✓ | 10% | 24135m | 0% | 22% | 18° |
| 08:00 | ✓ | 5% | 24135m | 0% | 22% | 24° |
| 09:00 | ✓ | 13% | 24135m | 0% | 22% | 28° |
| 10:00 | ✓ | 5% | 24134m | 0% | 22% | 29° |
| 11:00 | ✓ | 9% | 24135m | 0% | 22% | 28° |
| 12:00 | ✓ | 8.9% | 24134m | 0% | 22% | 23° |
| 13:00 | ✓ | 13% | 24134m | 1.1% | 22% | 16° |
| 14:00 | ✓ | 100% | 24135m | 2.3% | 22% | 7.7° |
| 15:00 | ✓ | 100% | 24135m | 3.4% | 22% | -2° |
| 16:00 | ✓ | 100% | 24134m | 15% | 22% | -12° |
| 17:00 | ✓ | 100% | 24135m | 27% | 22% | -24° |
| 18:00 | ✓ | 100% | 24134m | 39% | 14% | -35° |
| 19:00 | ✓ | 100% | 24135m | 36% | 14% | -46° |
| 20:00 | ✓ | 100% | 24135m | 32% | 14% | -58° |
| 21:00 | ✓ | 100% | 24135m | 29% | 14% | -68° |
| 22:00 | ✓ | 0.1% | 24134m | 32% | 14% | -74° |
| 23:00 | ✓ | 0% | 24135m | 35% | 14% | -72° |
| Sun, Mar 15 | ||||||
| 24:00 | ✓ | 0% | 24135m | 39% | 14% | -63° |
| 01:00 | ✓ | 6.7% | 24135m | 26% | 14% | -52° |
| 02:00 | ✓ | 13% | 24135m | 13% | 14% | -41° |
| 03:00 | ✓ | 20% | 24135m | 0% | 14% | -29° |
| 04:00 | ✓ | 13% | 24135m | 0% | 14% | -17° |
| 05:00 | ✓ | 6.8% | 24135m | 0% | 14% | -6.3° |
| 06:00 | ✓ | 0.1% | 24135m | 0% | 14% | 4.3° |
| 07:00 | ✓ | 29% | 24135m | 0% | 14% | 14° |
| 08:00 | ✓ | 58% | 24135m | 0% | 14% | 22° |
| 09:00 | ✓ | 87% | 24135m | 0% | 14% | 29° |
| 10:00 | ✓ | 91% | 24135m | 0% | 14% | 33° |
| 11:00 | ✓ | 95% | 24135m | 0% | 14% | 34° |
| 12:00 | ✓ | 99% | 24135m | 0% | 14% | 31° |
| 13:00 | ✓ | 99% | 24135m | 0% | 14% | 26° |
| 14:00 | ✓ | 99% | 24135m | 0% | 14% | 18° |
| 15:00 | ✓ | 99% | 24135m | 0% | 14% | 9.2° |
| 16:00 | ✓ | 99% | 24135m | 0% | 14% | -1° |
| 17:00 | ✓ | 99% | 24135m | 0% | 14% | -12° |
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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