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
Pristine Dark Skies (pristine)
Telluride
Fri, Jul 10 · 24:00–04:05 · 4h window
Medium confidence
45%
🌛Moon Altitude-16.5-23.3°
☁️Total Cloud Coverage0-16%
Pristine Dark Skies (pristine)
Telluride
Fri, Jul 10 · 22:27–04:06
🌛Moon Altitude:-26.2-14°
Medium
Pristine Dark Skies (pristine)
Telluride
Sat, Jul 11 · 22:26–04:00
🌛Moon Altitude:-24.2--5.1°
Medium
Pristine Dark Skies (pristine)
Telluride
Mon, Jul 13 · 02:00–04:00
🌛Moon Altitude:-19.9--14.1°
Low
Pristine Dark Skies (pristine)
Telluride
Tue, Jul 14 · 02:00–04:00
🌛Moon Altitude:-26.1--22.7°
Low
Pristine Dark Skies (pristine)
Telluride
Wed, Jul 15 · 02:00–04:00
🌛Moon Altitude:-31.1--30.4°
Low
Excellent Dark Skies (pristine)
Telluride
Thu, Jul 16 · 03:00–04:00
🌛Moon Altitude:-36.7°
Medium
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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° |
|---|---|---|---|---|---|---|
| Tue, Jul 7 | ||||||
| 22:00 | ✓ | 6.8% | 24135m | 59% | 43% | -27° |
| 23:00 | ✓ | 64% | 23889m | 61% | 43% | -18° |
| Wed, Jul 8 | ||||||
| 24:00 | ✓ | 91% | 13909m | 64% | 43% | -7.8° |
| 01:00 | ✓ | 100% | 21468m | 26% | 43% | 3.3° |
| 02:00 | ✓ | 11% | 24135m | 13% | 43% | 15° |
| 03:00 | ✓ | 91% | 24134m | 0% | 43% | 26° |
| 04:00 | ✓ | 71% | 23152m | 0% | 43% | 38° |
| 05:00 | ✕ | 87% | 24134m | 0% | 43% | 49° |
| 06:00 | ✕ | 56% | 24134m | 0% | 43% | 58° |
| 07:00 | ✕ | 57% | 24134m | 0% | 43% | 65° |
| 08:00 | ✕ | 5% | 24135m | 0% | 43% | 66° |
| 09:00 | ✕ | 4.7% | 24135m | 0% | 43% | 60° |
| 10:00 | ✕ | 7.7% | 24135m | 0% | 43% | 51° |
| 11:00 | ✕ | 41% | 24135m | 0% | 43% | 41° |
| 12:00 | ✕ | 75% | 24134m | 0% | 43% | 30° |
| 13:00 | ✕ | 100% | 24134m | 0% | 43% | 18° |
| 14:00 | ✕ | 99% | 24134m | 0% | 43% | 7.2° |
| 15:00 | ✕ | 72% | 24135m | 0% | 43% | -3.5° |
| 16:00 | ✕ | 69% | 24134m | 13% | 43% | -13° |
| 17:00 | ✕ | 28% | 24134m | 26% | 43% | -22° |
| 18:00 | ✕ | 94% | 24135m | 39% | 32% | -29° |
| 19:00 | ✕ | 44% | 24135m | 43% | 32% | -34° |
| 20:00 | ✕ | 4.5% | 24135m | 46% | 32% | -35° |
| 21:00 | ✕ | 2% | 24134m | 50% | 32% | -33° |
| 22:00 | ✓ | 4.9% | 24134m | 42% | 32% | -28° |
| 23:00 | ✓ | 32% | 24134m | 34% | 32% | -21° |
| Thu, Jul 9 | ||||||
| 24:00 | ✓ | 66% | 24135m | 26% | 32% | -12° |
| 01:00 | ✓ | 67% | 24135m | 17% | 32% | -2.2° |
| 02:00 | ✓ | 98% | 24134m | 8.7% | 32% | 8.6° |
| 03:00 | ✓ | 28% | 24135m | 0% | 32% | 20° |
| 04:00 | ✓ | 45% | 24134m | 0% | 32% | 31° |
| 05:00 | ✕ | 4.3% | 24135m | 0% | 32% | 43° |
| 06:00 | ✕ | 0% | 24135m | 0% | 32% | 54° |
| 07:00 | ✕ | 1.7% | 24134m | 0% | 32% | 64° |
| 08:00 | ✕ | 22% | 24135m | 0% | 32% | 71° |
| 09:00 | ✕ | 24% | 24134m | 0% | 32% | 70° |
| 10:00 | ✕ | 5% | 24134m | 0% | 32% | 63° |
| 11:00 | ✕ | 5.5% | 24135m | 0% | 32% | 54° |
| 12:00 | ✕ | 60% | 24135m | 0% | 32% | 43° |
| 13:00 | ✕ | 14% | 24134m | 0% | 32% | 31° |
| 14:00 | ✕ | 14% | 24135m | 0% | 32% | 20° |
| 15:00 | ✕ | 9.5% | 24135m | 0% | 32% | 9.2° |
| 16:00 | ✕ | 38% | 24135m | 0% | 32% | -1.1° |
| 17:00 | ✕ | 98% | 24135m | 0% | 32% | -11° |
| 18:00 | ✕ | 3.3% | 24135m | 0% | 22% | -19° |
| 19:00 | ✕ | 0% | 24135m | 0% | 22% | -25° |
| 20:00 | ✕ | 0.4% | 24135m | 0% | 22% | -29° |
| 21:00 | ✕ | 23% | 24134m | 0% | 22% | -30° |
| 22:00 | ✓ | 28% | 24135m | 0% | 22% | -28° |
| 23:00 | ✓ | 26% | 24134m | 0% | 22% | -23° |
| Fri, Jul 10 | ||||||
| 24:00 | ✓ | 16% | 24135m | 0% | 22% | -16° |
| 01:00 | ✓ | 4% | 24134m | 0% | 22% | -7.9° |
| 02:00 | ✓ | 0% | 24134m | 0% | 22% | 1.8° |
| 03:00 | ✓ | 1.9% | 24135m | 0% | 22% | 12° |
| 04:00 | ✓ | 0% | 24134m | 0% | 22% | 23° |
| 05:00 | ✕ | 0% | 24134m | 0% | 22% | 35° |
| 06:00 | ✕ | 0% | 24134m | 0% | 22% | 46° |
| 07:00 | ✕ | 5.9% | 24135m | 0% | 22% | 57° |
| 08:00 | ✕ | 5% | 24134m | 0% | 22% | 68° |
| 09:00 | ✕ | 4.9% | 24134m | 0% | 22% | 75° |
| 10:00 | ✕ | 38% | 24135m | 0% | 22% | 74° |
| 11:00 | ✕ | 93% | 24135m | 0% | 22% | 66° |
| 12:00 | ✕ | 98% | 24135m | 0% | 22% | 56° |
| 13:00 | ✕ | 81% | 24135m | 0% | 22% | 44° |
| 14:00 | ✕ | 64% | 24135m | 0% | 22% | 33° |
| 15:00 | ✕ | 46% | 24135m | 0% | 22% | 22° |
| 16:00 | ✕ | 31% | 24135m | 0% | 22% | 12° |
| 17:00 | ✕ | 15% | 24135m | 0% | 22% | 1.5° |
| 18:00 | ✕ | 0% | 24135m | 0% | 13% | -7.6° |
| 19:00 | ✕ | 0% | 24135m | 0% | 13% | -15° |
| 20:00 | ✕ | 0% | 24135m | 0% | 13% | -21° |
| 21:00 | ✕ | 0% | 24135m | 0% | 13% | -25° |
| 22:00 | ✓ | 0% | 24135m | 0% | 13% | -26° |
| 23:00 | ✓ | 0% | 24135m | 0% | 13% | -24° |
| Sat, Jul 11 | ||||||
| 24:00 | ✓ | 0% | 24135m | 0% | 13% | -20° |
| 01:00 | ✓ | 0% | 24135m | 0% | 13% | -14° |
| 02:00 | ✓ | 0% | 24135m | 0% | 13% | -5.5° |
| 03:00 | ✓ | 0% | 24135m | 0% | 13% | 3.8° |
| 04:00 | ✓ | 12% | 24135m | 0% | 13% | 14° |
| 05:00 | ✕ | 24% | 24135m | 0% | 13% | 25° |
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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