Rule
Dark Skies
Silverton - Dark Skies - Rocky Mountains
Creede, 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)
Silverton
Wed, Feb 18 · 20:00–21:00 · 1h window
Medium confidence
56%
🌛Moon Altitude-6.7°
☁️Total Cloud Coverage3.9%
Pristine Dark Skies (pristine)
Silverton
Thu, Feb 19 · 02:00–06:00
🌛Moon Altitude:-53.2--32.7°
Medium
Pristine Dark Skies (pristine)
Silverton
Sat, Feb 21 · 01:00–06:00
🌛Moon Altitude:-40--31.5°
Medium
Dark Skies
Silverton
Sat, Feb 21 · 14:00–15:00
🌛Moon Altitude:57.9°
Medium
Pristine Dark Skies (pristine)
Silverton
Sat, Feb 21 · 15:00–19:00
🌛Moon Altitude:53.6-67.1°
Low
Excellent Dark Skies (pristine)
Silverton
Sat, Feb 21 · 19:00–21:00
🌛Moon Altitude:31.9-43.1°
Low
Pristine Dark Skies (pristine)
Silverton
Mon, Feb 23 · 24:00–01:00
🌛Moon Altitude:1.2°
Medium
+1 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° |
|---|---|---|---|---|---|---|
| Sun, Feb 15 | ||||||
| 11:00 | ✓ | 100% | 24134m | 0% | 4.2% | 31° |
| 12:00 | ✓ | 100% | 24134m | 0% | 4.2% | 29° |
| 13:00 | ✓ | 100% | 24134m | 0% | 4.2% | 25° |
| 14:00 | ✓ | 96% | 24135m | 0% | 4.2% | 19° |
| 15:00 | ✓ | 83% | 24134m | 0% | 4.2% | 10° |
| 16:00 | ✓ | 80% | 24135m | 0% | 4.2% | 0.68° |
| 17:00 | ✓ | 100% | 24134m | 0% | 1.2% | -9.8° |
| 18:00 | ✓ | 100% | 24135m | 26% | 1.2% | -21° |
| 19:00 | ✓ | 100% | 23408m | 13% | 1.2% | -32° |
| 20:00 | ✓ | 100% | 15112m | 0% | 1.2% | -43° |
| 21:00 | ✓ | 100% | 24134m | 0% | 1.2% | -54° |
| 22:00 | ✓ | 100% | 23924m | 0% | 1.2% | -64° |
| 23:00 | ✓ | 100% | 24134m | 0% | 1.2% | -71° |
| Mon, Feb 16 | ||||||
| 24:00 | ✓ | 100% | 24135m | 0% | 1.2% | -70° |
| 01:00 | ✓ | 100% | 24022m | 0% | 1.2% | -63° |
| 02:00 | ✓ | 100% | 24135m | 0% | 1.2% | -52° |
| 03:00 | ✓ | 99% | 24134m | 0% | 1.2% | -41° |
| 04:00 | ✓ | 100% | 24135m | 0% | 1.2% | -30° |
| 05:00 | ✓ | 96% | 24134m | 0% | 1.2% | -18° |
| 06:00 | ✓ | 80% | 24134m | 0% | 1.2% | -6.9° |
| 07:00 | ✓ | 100% | 24135m | 0% | 1.2% | 3.9° |
| 08:00 | ✓ | 74% | 24135m | 0% | 1.2% | 14° |
| 09:00 | ✓ | 100% | 24135m | 0% | 1.2% | 23° |
| 10:00 | ✓ | 100% | 24134m | 0% | 1.2% | 30° |
| 11:00 | ✓ | 100% | 24135m | 0% | 1.2% | 34° |
| 12:00 | ✓ | 100% | 24134m | 1.2% | 1.2% | 35° |
| 13:00 | ✓ | 100% | 24134m | 2.3% | 1.2% | 33° |
| 14:00 | ✓ | 87% | 24074m | 3.5% | 1.2% | 28° |
| 15:00 | ✓ | 100% | 7896m | 19% | 1.2% | 21° |
| 16:00 | ✓ | 100% | 7172m | 34% | 1.2% | 12° |
| 17:00 | ✓ | 94% | 24135m | 49% | 0% | 1.9° |
| 18:00 | ✓ | 4.5% | 24135m | 65% | 0% | -8.9° |
| 19:00 | ✓ | 3.7% | 24134m | 81% | 0% | -20° |
| 20:00 | ✓ | 3.7% | 24135m | 98% | 0% | -31° |
| 21:00 | ✓ | 15% | 18918m | 98% | 0% | -43° |
| 22:00 | ✓ | 25% | 20294m | 99% | 0% | -53° |
| 23:00 | ✓ | 6.5% | 24135m | 100% | 0% | -61° |
| Tue, Feb 17 | ||||||
| 24:00 | ✓ | 31% | 19801m | 100% | 0% | -66° |
| 01:00 | ✓ | 83% | 3671m | 100% | 0% | -64° |
| 02:00 | ✓ | 100% | 421m | 100% | 0% | -57° |
| 03:00 | ✓ | 100% | 240m | 100% | 0% | -47° |
| 04:00 | ✓ | 100% | 396m | 100% | 0% | -36° |
| 05:00 | ✓ | 100% | 255m | 100% | 0% | -24° |
| 06:00 | ✓ | 100% | 108m | 95% | 0% | -12° |
| 07:00 | ✓ | 100% | 247m | 90% | 0% | -1.1° |
| 08:00 | ✓ | 100% | 597m | 85% | 0% | 9.9° |
| 09:00 | ✓ | 100% | 3526m | 87% | 0% | 20° |
| 10:00 | ✓ | 100% | 17755m | 89% | 0% | 29° |
| 11:00 | ✓ | 100% | 18193m | 92% | 0% | 36° |
| 12:00 | ✓ | 100% | 2154m | 74% | 0% | 40° |
| 13:00 | ✓ | 26% | 4309m | 57% | 0% | 41° |
| 14:00 | ✓ | 28% | 2759m | 39% | 0% | 38° |
| 15:00 | ✓ | 50% | 2621m | 45% | 0% | 32° |
| 16:00 | ✓ | 23% | 4862m | 50% | 0% | 24° |
| 17:00 | ✓ | 25% | 18159m | 56% | 1.2% | 14° |
| 18:00 | ✓ | 27% | 17901m | 56% | 1.2% | 3.3° |
| 19:00 | ✓ | 44% | 9093m | 56% | 1.2% | -7.9° |
| 20:00 | ✓ | 36% | 18111m | 56% | 1.2% | -19° |
| 21:00 | ✓ | 30% | 17023m | 65% | 1.2% | -30° |
| 22:00 | ✓ | 54% | 16878m | 74% | 1.2% | -41° |
| 23:00 | ✓ | 95% | 1481m | 84% | 1.2% | -50° |
| Wed, Feb 18 | ||||||
| 24:00 | ✓ | 78% | 7012m | 85% | 1.2% | -57° |
| 01:00 | ✓ | 100% | 342m | 87% | 1.2% | -60° |
| 02:00 | ✓ | 100% | 648m | 88% | 1.2% | -57° |
| 03:00 | ✓ | 100% | 560m | 92% | 1.2% | -50° |
| 04:00 | ✓ | 97% | 2356m | 95% | 1.2% | -40° |
| 05:00 | ✓ | 89% | 2887m | 99% | 1.2% | -29° |
| 06:00 | ✓ | 100% | 1087m | 98% | 1.2% | -18° |
| 07:00 | ✓ | 100% | 476m | 98% | 1.2% | -6° |
| 08:00 | ✓ | 100% | 280m | 98% | 1.2% | 5.5° |
| 09:00 | ✓ | 100% | 263m | 99% | 1.2% | 17° |
| 10:00 | ✓ | 100% | 421m | 99% | 1.2% | 27° |
| 11:00 | ✓ | 100% | 1125m | 100% | 1.2% | 36° |
| 12:00 | ✓ | 100% | 414m | 85% | 1.2% | 43° |
| 13:00 | ✓ | 93% | 940m | 71% | 1.2% | 47° |
| 14:00 | ✓ | 100% | 292m | 56% | 1.2% | 47° |
| 15:00 | ✓ | 100% | 280m | 62% | 1.2% | 43° |
| 16:00 | ✓ | 100% | 560m | 68% | 1.2% | 35° |
| 17:00 | ✓ | 92% | 964m | 74% | 4.5% | 26° |
| 18:00 | ✓ | 63% | 8688m | 49% | 4.5% | 16° |
| 19:00 | ✓ | 33% | 16412m | 25% | 4.5% | 4.6° |
| 20:00 | ✓ | 3.9% | 24135m | 0% | 4.5% | -6.7° |
| 21:00 | ✓ | 4.3% | 24135m | 13% | 4.5% | -18° |
| 22:00 | ✓ | 4.6% | 24135m | 26% | 4.5% | -29° |
| 23:00 | ✓ | 5% | 24135m | 39% | 4.5% | -39° |
| Thu, Feb 19 | ||||||
| 24:00 | ✓ | 3.8% | 24135m | 26% | 4.5% | -47° |
| 01:00 | ✓ | 2.7% | 24135m | 13% | 4.5% | -52° |
| 02:00 | ✓ | 1.5% | 24135m | 0% | 4.5% | -53° |
| 03:00 | ✓ | 1.8% | 24135m | 0% | 4.5% | -49° |
| 04:00 | ✓ | 2.2% | 24135m | 0% | 4.5% | -42° |
| 05:00 | ✓ | 2.5% | 24135m | 0% | 4.5% | -33° |
| 06:00 | ✓ | 35% | 22682m | 9.9% | 4.5% | -22° |
| 07:00 | ✓ | 68% | 21229m | 20% | 4.5% | -11° |
| 08:00 | ✓ | 100% | 19776m | 30% | 4.5% | 0.89° |
| 09:00 | ✓ | 100% | 13473m | 43% | 4.5% | 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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