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
Tomorrow · 01:00–05:21 · 4h window
Medium confidence
46%
🌛Moon Altitude-17.2-5°
☁️Total Cloud Coverage4.4-7.1%
Good Dark Skies
Alpe di Siusi
Wed, Feb 25 · 02:00–05:00
🌛Moon Altitude:-7-7.2°
Low
Excellent Dark Skies (pristine)
Alpe di Siusi
Thu, Feb 26 · 03:00–05:00
🌛Moon Altitude:0.4-8.2°
Low
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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° |
|---|---|---|---|---|---|---|
| Sun, Feb 22 | ||||||
| 02:00 | ✕ | 5.7% | 22841m | 0% | 28% | -23° |
| 03:00 | ✕ | 5.5% | 23038m | 0% | 28% | -26° |
| 04:00 | ✕ | 5.4% | 24135m | 0% | 28% | -27° |
| 05:00 | ✕ | 8.8% | 24134m | 0% | 28% | -26° |
| 06:00 | ✕ | 5% | 24135m | 0% | 28% | -22° |
| 07:00 | ✕ | 5% | 24134m | 0% | 28% | -15° |
| 08:00 | ✕ | 5% | 24134m | 0% | 28% | -7.7° |
| 09:00 | ✕ | 7.4% | 24134m | 0% | 28% | 1.2° |
| 10:00 | ✕ | 5% | 24135m | 0% | 28% | 11° |
| 11:00 | ✕ | 8.9% | 24135m | 0% | 28% | 21° |
| 12:00 | ✕ | 5% | 16969m | 0% | 28% | 31° |
| 13:00 | ✕ | 100% | 11161m | 0% | 28% | 41° |
| 14:00 | ✕ | 32% | 10486m | 0% | 28% | 50° |
| 15:00 | ✕ | 97% | 12204m | 0% | 28% | 57° |
| 16:00 | ✕ | 100% | 9454m | 0% | 28% | 62° |
| 17:00 | ✕ | 100% | 9139m | 0% | 28% | 62° |
| 18:00 | ✕ | 100% | 9331m | 0% | 28% | 57° |
| 19:00 | ✓ | 100% | 9682m | 0% | 28% | 49° |
| 20:00 | ✓ | 96% | 24135m | 0% | 28% | 40° |
| 21:00 | ✓ | 87% | 24135m | 0% | 28% | 30° |
| 22:00 | ✓ | 100% | 24134m | 0% | 28% | 21° |
| 23:00 | ✓ | 100% | 24134m | 0% | 28% | 11° |
| Mon, Feb 23 | ||||||
| 24:00 | ✓ | 100% | 24135m | 0% | 28% | 2.2° |
| 01:00 | ✕ | 100% | 24134m | 0% | 38% | -5.9° |
| 02:00 | ✕ | 100% | 24134m | 0% | 38% | -13° |
| 03:00 | ✕ | 100% | 24135m | 0% | 38% | -18° |
| 04:00 | ✕ | 100% | 24134m | 0% | 38% | -21° |
| 05:00 | ✕ | 100% | 24134m | 0% | 38% | -22° |
| 06:00 | ✕ | 40% | 24134m | 0% | 38% | -20° |
| 07:00 | ✕ | 5% | 24135m | 0% | 38% | -16° |
| 08:00 | ✕ | 5% | 24134m | 0% | 38% | -10° |
| 09:00 | ✕ | 5% | 24135m | 0% | 38% | -2.7° |
| 10:00 | ✕ | 28% | 24135m | 0% | 38% | 5.9° |
| 11:00 | ✕ | 10% | 24135m | 0% | 38% | 15° |
| 12:00 | ✕ | 79% | 24135m | 0% | 38% | 25° |
| 13:00 | ✕ | 99% | 24135m | 0% | 38% | 35° |
| 14:00 | ✕ | 100% | 24134m | 0% | 38% | 45° |
| 15:00 | ✕ | 100% | 22905m | 0% | 38% | 54° |
| 16:00 | ✕ | 100% | 10473m | 0% | 38% | 62° |
| 17:00 | ✕ | 100% | 9435m | 0% | 38% | 67° |
| 18:00 | ✕ | 46% | 9456m | 0% | 38% | 66° |
| 19:00 | ✓ | 54% | 463m | 0% | 38% | 60° |
| 20:00 | ✓ | 69% | 343m | 0% | 38% | 52° |
| 21:00 | ✓ | 37% | 732m | 0% | 38% | 43° |
| 22:00 | ✓ | 32% | 9353m | 0% | 38% | 33° |
| 23:00 | ✓ | 17% | 9767m | 0% | 38% | 23° |
| Tue, Feb 24 | ||||||
| 24:00 | ✓ | 19% | 10457m | 0% | 38% | 14° |
| 01:00 | ✓ | 7.1% | 24132m | 0% | 50% | 5° |
| 02:00 | ✓ | 4.9% | 24135m | 0% | 50% | -2.8° |
| 03:00 | ✓ | 4.9% | 24134m | 0% | 50% | -9.4° |
| 04:00 | ✓ | 4.4% | 24134m | 0% | 50% | -14° |
| 05:00 | ✓ | 5% | 24135m | 0% | 50% | -17° |
| 06:00 | ✕ | 5% | 24135m | 0% | 50% | -18° |
| 07:00 | ✕ | 5.5% | 24135m | 0% | 50% | -16° |
| 08:00 | ✕ | 27% | 24135m | 0% | 50% | -12° |
| 09:00 | ✕ | 14% | 24135m | 0% | 50% | -6.6° |
| 10:00 | ✕ | 65% | 24135m | 0% | 50% | 0.62° |
| 11:00 | ✕ | 48% | 24134m | 0% | 50% | 8.9° |
| 12:00 | ✕ | 8.5% | 24135m | 0% | 50% | 18° |
| 13:00 | ✕ | 77% | 24135m | 0% | 50% | 28° |
| 14:00 | ✕ | 95% | 24135m | 0% | 50% | 38° |
| 15:00 | ✕ | 95% | 24135m | 0% | 50% | 48° |
| 16:00 | ✕ | 42% | 23174m | 0% | 50% | 57° |
| 17:00 | ✕ | 8.8% | 12386m | 0% | 50% | 65° |
| 18:00 | ✕ | 19% | 13671m | 0% | 50% | 70° |
| 19:00 | ✓ | 8.9% | 22761m | 0% | 50% | 69° |
| 20:00 | ✓ | 15% | 22766m | 0% | 50% | 63° |
| 21:00 | ✓ | 13% | 14409m | 0% | 50% | 54° |
| 22:00 | ✓ | 20% | 14010m | 0% | 50% | 45° |
| 23:00 | ✓ | 25% | 14167m | 0% | 50% | 35° |
| Wed, Feb 25 | ||||||
| 24:00 | ✓ | 18% | 22797m | 0% | 50% | 25° |
| 01:00 | ✓ | 5.8% | 23233m | 0% | 61% | 16° |
| 02:00 | ✓ | 10% | 24135m | 0% | 61% | 7.2° |
| 03:00 | ✓ | 12% | 24135m | 0% | 61% | -0.53° |
| 04:00 | ✓ | 18% | 24134m | 0% | 61% | -7° |
| 05:00 | ✓ | 24% | 24135m | 0% | 61% | -12° |
| 06:00 | ✕ | 26% | 24134m | 0% | 61% | -15° |
| 07:00 | ✕ | 23% | 24135m | 0% | 61% | -15° |
| 08:00 | ✕ | 17% | 24135m | 0% | 61% | -14° |
| 09:00 | ✕ | 12% | 24135m | 0% | 61% | -10° |
| 10:00 | ✕ | 7% | 24135m | 0% | 61% | -4.9° |
| 11:00 | ✕ | 6% | 24135m | 0% | 61% | 2.1° |
| 12:00 | ✕ | 5.1% | 24135m | 0% | 61% | 10° |
| 13:00 | ✕ | 4.1% | 24135m | 0% | 61% | 19° |
| 14:00 | ✕ | 3.9% | 24135m | 0% | 61% | 29° |
| 15:00 | ✕ | 3.8% | 24135m | 0% | 61% | 38° |
| 16:00 | ✕ | 3.6% | 24135m | 0% | 61% | 48° |
| 17:00 | ✕ | 3.6% | 24135m | 0% | 61% | 58° |
| 18:00 | ✕ | 3.6% | 24135m | 0% | 61% | 66° |
| 19:00 | ✓ | 3.6% | 24135m | 0% | 61% | 71° |
| 20:00 | ✓ | 3.1% | 24135m | 0% | 61% | 71° |
| 21:00 | ✓ | 2.7% | 24135m | 0% | 61% | 64° |
| 22:00 | ✓ | 2.2% | 24135m | 0% | 61% | 55° |
| 23:00 | ✓ | 3.2% | 24135m | 0% | 61% | 46° |
| Thu, Feb 26 | ||||||
| 24:00 | ✓ | 4.1% | 24135m | 0% | 61% | 36° |
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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