Rule
Dark Skies
Mürren - Dark Skies - Alps
Mürren, Bern, Switzerland
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/Zurich
Next opportunity
Pristine Dark Skies (pristine)
Mürren
Sat, Feb 21 · 22:00–03:00 · 5h window
Low confidence
32%
🌛Moon Altitude-21.3-10.8°
☁️Total Cloud Coverage5-16.4%
Excellent Dark Skies (pristine)
Mürren
Mon, Feb 23 · 04:00–05:00
🌛Moon Altitude:-20.6°
Medium
Create your own Dark Skies alerts
Get notified when these conditions match at your own locations.
72-hour requirements breakdown
What passed or failed, hour by hour0matching hours in the next 95 hours
OR logic: one branch per group is enough
Meets requirement
Misses requirement
Time Europe/Zurich | 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, Feb 17 | ||||||
| 20:00 | ✓ | 77% | 6686m | 48% | 0% | -19° |
| 21:00 | ✓ | 71% | 819m | 24% | 0% | -29° |
| 22:00 | ✓ | 57% | 406m | 0% | 0% | -38° |
| 23:00 | ✓ | 34% | 462m | 13% | 0% | -45° |
| Wed, Feb 18 | ||||||
| 24:00 | ✓ | 84% | 7340m | 26% | 0% | -51° |
| 01:00 | ✓ | 73% | 24135m | 39% | 1.2% | -53° |
| 02:00 | ✓ | 79% | 24134m | 43% | 1.2% | -51° |
| 03:00 | ✓ | 96% | 24135m | 64% | 1.2% | -46° |
| 04:00 | ✓ | 100% | 24135m | 84% | 1.2% | -38° |
| 05:00 | ✓ | 100% | 11465m | 87% | 1.2% | -29° |
| 06:00 | ✕ | 100% | 6563m | 90% | 1.2% | -19° |
| 07:00 | ✕ | 100% | 1554m | 93% | 1.2% | -8.9° |
| 08:00 | ✕ | 100% | 317m | 80% | 1.2% | 1.1° |
| 09:00 | ✕ | 100% | 246m | 59% | 1.2% | 11° |
| 10:00 | ✕ | 100% | 363m | 39% | 1.2% | 20° |
| 11:00 | ✕ | 100% | 338m | 35% | 1.2% | 27° |
| 12:00 | ✕ | 100% | 418m | 30% | 1.2% | 33° |
| 13:00 | ✕ | 97% | 1171m | 26% | 1.2% | 36° |
| 14:00 | ✕ | 98% | 3245m | 43% | 1.2% | 37° |
| 15:00 | ✕ | 100% | 11034m | 21% | 1.2% | 34° |
| 16:00 | ✕ | 100% | 8606m | 0.001% | 1.2% | 28° |
| 17:00 | ✕ | 100% | 797m | 13% | 1.2% | 21° |
| 18:00 | ✕ | 100% | 472m | 26% | 1.2% | 12° |
| 19:00 | ✓ | 100% | 592m | 39% | 1.2% | 2.9° |
| 20:00 | ✓ | 100% | 549m | 53% | 1.2% | -6.8° |
| 21:00 | ✓ | 100% | 305m | 66% | 1.2% | -17° |
| 22:00 | ✓ | 100% | 438m | 80% | 1.2% | -26° |
| 23:00 | ✓ | 100% | 491m | 86% | 1.2% | -34° |
| Thu, Feb 19 | ||||||
| 24:00 | ✓ | 100% | 384m | 93% | 1.2% | -41° |
| 01:00 | ✓ | 100% | 471m | 100% | 4.5% | -46° |
| 02:00 | ✓ | 100% | 954m | 87% | 4.5% | -47° |
| 03:00 | ✓ | 100% | 1508m | 74% | 4.5% | -44° |
| 04:00 | ✓ | 100% | 484m | 62% | 4.5% | -39° |
| 05:00 | ✓ | 100% | 260m | 69% | 4.5% | -31° |
| 06:00 | ✕ | 100% | 249m | 77% | 4.5% | -22° |
| 07:00 | ✕ | 100% | 128m | 85% | 4.5% | -12° |
| 08:00 | ✕ | 100% | 244m | 84% | 4.5% | -1.7° |
| 09:00 | ✕ | 100% | 22072m | 84% | 4.5% | 8.4° |
| 10:00 | ✕ | 100% | 378m | 83% | 4.5% | 18° |
| 11:00 | ✕ | 100% | 1018m | 88% | 4.5% | 27° |
| 12:00 | ✕ | 100% | 2885m | 94% | 4.5% | 35° |
| 13:00 | ✕ | 100% | 479m | 99% | 4.5% | 41° |
| 14:00 | ✕ | 100% | 326m | 98% | 4.5% | 43° |
| 15:00 | ✕ | 100% | 339m | 96% | 4.5% | 43° |
| 16:00 | ✕ | 100% | 358m | 95% | 4.5% | 39° |
| 17:00 | ✕ | 100% | 346m | 96% | 4.5% | 32° |
| 18:00 | ✕ | 100% | 2885m | 97% | 4.5% | 24° |
| 19:00 | ✓ | 100% | 463m | 99% | 4.5% | 15° |
| 20:00 | ✓ | 100% | 1911m | 98% | 4.5% | 5.4° |
| 21:00 | ✓ | 100% | 277m | 97% | 4.5% | -4.3° |
| 22:00 | ✓ | 100% | 235m | 97% | 4.5% | -14° |
| 23:00 | ✓ | 100% | 132m | 96% | 4.5% | -23° |
| Fri, Feb 20 | ||||||
| 24:00 | ✓ | 100% | 141m | 95% | 4.5% | -30° |
| 01:00 | ✓ | 89% | 182m | 94% | 10% | -36° |
| 02:00 | ✓ | 81% | 195m | 91% | 10% | -40° |
| 03:00 | ✓ | 70% | 437m | 88% | 10% | -40° |
| 04:00 | ✓ | 68% | 422m | 85% | 10% | -37° |
| 05:00 | ✓ | 68% | 354m | 88% | 10% | -31° |
| 06:00 | ✕ | 68% | 540m | 92% | 10% | -23° |
| 07:00 | ✕ | 76% | 788m | 96% | 10% | -14° |
| 08:00 | ✕ | 62% | 2590m | 92% | 10% | -4.6° |
| 09:00 | ✕ | 67% | 510m | 88% | 10% | 5.5° |
| 10:00 | ✕ | 72% | 312m | 84% | 10% | 16° |
| 11:00 | ✕ | 89% | 481m | 87% | 10% | 26° |
| 12:00 | ✕ | 89% | 651m | 90% | 10% | 35° |
| 13:00 | ✕ | 83% | 1255m | 93% | 10% | 42° |
| 14:00 | ✕ | 100% | 2438m | 69% | 10% | 48° |
| 15:00 | ✕ | 99% | 1719m | 46% | 10% | 50° |
| 16:00 | ✕ | 100% | 4356m | 22% | 10% | 49° |
| 17:00 | ✕ | 93% | 751m | 23% | 10% | 44° |
| 18:00 | ✕ | 96% | 252m | 25% | 10% | 36° |
| 19:00 | ✓ | 90% | 187m | 26% | 10% | 27° |
| 20:00 | ✓ | 76% | 438m | 34% | 10% | 18° |
| 21:00 | ✓ | 52% | 7406m | 42% | 10% | 8.1° |
| 22:00 | ✓ | 36% | 24134m | 50% | 10% | -1.6° |
| 23:00 | ✓ | 62% | 3862m | 39% | 10% | -11° |
| Sat, Feb 21 | ||||||
| 24:00 | ✓ | 58% | 18014m | 29% | 10% | -19° |
| 01:00 | ✓ | 96% | 10220m | 18% | 18% | -26° |
| 02:00 | ✓ | 97% | 14858m | 25% | 18% | -31° |
| 03:00 | ✓ | 99% | 19497m | 31% | 18% | -33° |
| 04:00 | ✓ | 100% | 24135m | 37% | 18% | -33° |
| 05:00 | ✓ | 100% | 20026m | 35% | 18% | -29° |
| 06:00 | ✕ | 99% | 15918m | 33% | 18% | -24° |
| 07:00 | ✕ | 99% | 11809m | 31% | 18% | -16° |
| 08:00 | ✕ | 97% | 15918m | 54% | 18% | -7.3° |
| 09:00 | ✕ | 96% | 20026m | 77% | 18% | 2.3° |
| 10:00 | ✕ | 95% | 24135m | 100% | 18% | 12° |
| 11:00 | ✕ | 86% | 24135m | 73% | 18% | 22° |
| 12:00 | ✕ | 77% | 24135m | 46% | 18% | 32° |
| 13:00 | ✕ | 68% | 24135m | 20% | 18% | 42° |
| 14:00 | ✕ | 47% | 24135m | 19% | 18% | 50° |
| 15:00 | ✕ | 26% | 24135m | 18% | 18% | 55° |
| 16:00 | ✕ | 5.3% | 24135m | 17% | 18% | 57° |
| 17:00 | ✕ | 5.1% | 24135m | 16% | 18% | 54° |
| 18:00 | ✕ | 4.8% | 24135m | 16% | 18% | 48° |
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.
Get Notified of Opportunities
Create your own custom alerts for this location and more.
Create Free Account