Rule
Dark Skies
Alpe di Siusi - Dark Skies - Dolomites
Siusi, Trentino-Alto Adige, Italy
Moonless nights with crystal-clear skies for deep-sky photography
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Rome
Next opportunity
Pristine Dark Skies (pristine)
Alpe di Siusi
Today · 21:42–22:00 · 1h window
High confidence
74%
🌛Moon Altitude-60.6°
☁️Total Cloud Coverage5%
Pristine Dark Skies (pristine)
Alpe di Siusi
Today · 23:00–01:00
🌛Moon Altitude:-41.6--31.6°
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 Europe/Rome | 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, Apr 8 | ||||||
| 03:00 | ✕ | 4.7% | 24135m | 0% | 66% | 6.5° |
| 04:00 | ✕ | 4.8% | 24134m | 0% | 66% | 11° |
| 05:00 | ✕ | 4.4% | 24135m | 0% | 66% | 14° |
| 06:00 | ✕ | 1.9% | 24134m | 0% | 66% | 15° |
| 07:00 | ✕ | 0% | 24134m | 0% | 66% | 14° |
| 08:00 | ✕ | 0% | 24135m | 0% | 66% | 9.9° |
| 09:00 | ✕ | 0% | 24135m | 0% | 66% | 4.4° |
| 10:00 | ✕ | 5% | 24134m | 0% | 66% | -2.6° |
| 11:00 | ✕ | 5% | 24135m | 0% | 66% | -11° |
| 12:00 | ✕ | 5% | 24134m | 13% | 66% | -20° |
| 13:00 | ✕ | 5% | 24135m | 26% | 66% | -29° |
| 14:00 | ✕ | 5% | 24134m | 39% | 66% | -39° |
| 15:00 | ✕ | 5% | 24134m | 55% | 66% | -49° |
| 16:00 | ✕ | 2.5% | 24134m | 27% | 66% | -59° |
| 17:00 | ✕ | 0% | 24135m | 0% | 66% | -67° |
| 18:00 | ✕ | 0% | 24135m | 0% | 66% | -71° |
| 19:00 | ✕ | 0% | 24134m | 0% | 66% | -70° |
| 20:00 | ✕ | 0% | 24135m | 0% | 66% | -63° |
| 21:00 | ✓ | 0% | 24135m | 0% | 66% | -54° |
| 22:00 | ✓ | 0% | 24134m | 0% | 66% | -44° |
| 23:00 | ✓ | 4.3% | 24134m | 0% | 66% | -34° |
| Thu, Apr 9 | ||||||
| 24:00 | ✓ | 5.2% | 24135m | 0% | 66% | -24° |
| 01:00 | ✓ | 66% | 24135m | 0% | 66% | -15° |
| 02:00 | ✕ | 87% | 24135m | 0% | 57% | -6.3° |
| 03:00 | ✕ | 89% | 24134m | 0% | 57% | 1.4° |
| 04:00 | ✕ | 61% | 24135m | 0% | 57% | 7.8° |
| 05:00 | ✕ | 58% | 24135m | 0% | 57% | 13° |
| 06:00 | ✕ | 86% | 24135m | 0% | 57% | 15° |
| 07:00 | ✕ | 100% | 24134m | 0% | 57% | 16° |
| 08:00 | ✕ | 82% | 24134m | 0% | 57% | 14° |
| 09:00 | ✕ | 77% | 24134m | 0% | 57% | 10° |
| 10:00 | ✕ | 80% | 24135m | 0% | 57% | 4.2° |
| 11:00 | ✕ | 44% | 24134m | 0% | 57% | -3° |
| 12:00 | ✕ | 100% | 24135m | 13% | 57% | -11° |
| 13:00 | ✕ | 100% | 24135m | 26% | 57% | -20° |
| 14:00 | ✕ | 100% | 24135m | 39% | 57% | -30° |
| 15:00 | ✕ | 100% | 24135m | 26% | 57% | -40° |
| 16:00 | ✕ | 100% | 24134m | 13% | 57% | -50° |
| 17:00 | ✕ | 100% | 24135m | 0% | 57% | -59° |
| 18:00 | ✕ | 90% | 24134m | 0% | 57% | -67° |
| 19:00 | ✕ | 16% | 24134m | 0% | 57% | -70° |
| 20:00 | ✕ | 5% | 24135m | 0% | 57% | -68° |
| 21:00 | ✓ | 5% | 24135m | 0% | 57% | -61° |
| 22:00 | ✓ | 32% | 24134m | 0% | 57% | -51° |
| 23:00 | ✓ | 5% | 24134m | 0% | 57% | -42° |
| Fri, Apr 10 | ||||||
| 24:00 | ✓ | 5% | 24135m | 0% | 57% | -32° |
| 01:00 | ✓ | 98% | 24134m | 0% | 57% | -22° |
| 02:00 | ✓ | 63% | 24135m | 0% | 47% | -12° |
| 03:00 | ✓ | 22% | 24134m | 0% | 47% | -3.7° |
| 04:00 | ✓ | 100% | 24134m | 0% | 47% | 4° |
| 05:00 | ✕ | 100% | 24135m | 0% | 47% | 10° |
| 06:00 | ✕ | 100% | 24134m | 13% | 47% | 15° |
| 07:00 | ✕ | 100% | 24134m | 26% | 47% | 17° |
| 08:00 | ✕ | 88% | 24135m | 39% | 47% | 18° |
| 09:00 | ✕ | 59% | 24134m | 49% | 47% | 15° |
| 10:00 | ✕ | 100% | 24134m | 59% | 47% | 11° |
| 11:00 | ✕ | 54% | 24135m | 69% | 47% | 5.1° |
| 12:00 | ✕ | 100% | 24135m | 76% | 47% | -2.4° |
| 13:00 | ✕ | 100% | 24134m | 83% | 47% | -11° |
| 14:00 | ✕ | 100% | 24134m | 91% | 47% | -20° |
| 15:00 | ✕ | 100% | 24134m | 68% | 47% | -30° |
| 16:00 | ✕ | 100% | 24134m | 45% | 47% | -40° |
| 17:00 | ✕ | 100% | 24134m | 22% | 47% | -50° |
| 18:00 | ✕ | 100% | 24134m | 31% | 47% | -58° |
| 19:00 | ✕ | 100% | 24135m | 41% | 47% | -65° |
| 20:00 | ✕ | 98% | 24135m | 50% | 47% | -68° |
| 21:00 | ✓ | 100% | 24135m | 33% | 47% | -64° |
| 22:00 | ✓ | 100% | 24134m | 17% | 47% | -57° |
| 23:00 | ✓ | 52% | 24135m | 0% | 47% | -48° |
| Sat, Apr 11 | ||||||
| 24:00 | ✓ | 48% | 24134m | 0% | 47% | -38° |
| 01:00 | ✓ | 52% | 24135m | 0% | 47% | -28° |
| 02:00 | ✓ | 93% | 24134m | 0% | 38% | -18° |
| 03:00 | ✓ | 94% | 24134m | 0% | 38% | -8.6° |
| 04:00 | ✓ | 52% | 24134m | 0% | 38% | 0.17° |
| 05:00 | ✕ | 51% | 24135m | 0% | 38% | 7.9° |
| 06:00 | ✕ | 54% | 24135m | 0% | 38% | 14° |
| 07:00 | ✕ | 54% | 24135m | 0% | 38% | 19° |
| 08:00 | ✕ | 100% | 24135m | 0% | 38% | 21° |
| 09:00 | ✕ | 68% | 24135m | 0% | 38% | 21° |
| 10:00 | ✕ | 36% | 24135m | 0% | 38% | 18° |
| 11:00 | ✕ | 4.5% | 24135m | 0% | 38% | 13° |
| 12:00 | ✕ | 36% | 24135m | 13% | 38% | 6.7° |
| 13:00 | ✕ | 68% | 24135m | 26% | 38% | -1.2° |
| 14:00 | ✕ | 100% | 24135m | 39% | 38% | -10° |
| 15:00 | ✕ | 96% | 24135m | 26% | 38% | -20° |
| 16:00 | ✕ | 92% | 24135m | 13% | 38% | -29° |
| 17:00 | ✕ | 88% | 24135m | 0% | 38% | -39° |
| 18:00 | ✕ | 91% | 24135m | 0% | 38% | -49° |
| 19:00 | ✕ | 93% | 24135m | 0% | 38% | -57° |
| 20:00 | ✕ | 96% | 24135m | 0% | 38% | -62° |
| 21:00 | ✓ | 85% | 24135m | 0% | 38% | -63° |
| 22:00 | ✓ | 73% | 24135m | 0% | 38% | -60° |
| 23:00 | ✓ | 62% | 24135m | 0.001% | 38% | -52° |
| Sun, Apr 12 | ||||||
| 24:00 | ✓ | 64% | 24135m | 0% | 38% | -43° |
| 01:00 | ✓ | 65% | 24135m | 0% | 38% | -33° |
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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