Rule
Dark Skies
Senja - Dark Skies - Norwegian Fjords
Finnsnes, Troms, Norway
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/Oslo
Next opportunity
Dark Skies
Senja
Sat, Feb 21 · 04:00–04:28 · 1h window
Medium confidence
41%
🌛Moon Altitude-9.5°
☁️Total Cloud Coverage5%
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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/Oslo | 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 | ||||||
| 20:00 | ✓ | 100% | 18699m | 56% | 4.2% | -36° |
| 21:00 | ✓ | 100% | 20118m | 62% | 4.2% | -39° |
| 22:00 | ✓ | 100% | 19634m | 69% | 4.2% | -41° |
| 23:00 | ✓ | 100% | 20932m | 74% | 4.2% | -42° |
| Mon, Feb 16 | ||||||
| 24:00 | ✓ | 100% | 3679m | 79% | 4.2% | -40° |
| 01:00 | ✕ | 100% | 2622m | 84% | 1.2% | -38° |
| 02:00 | ✕ | 100% | 1888m | 56% | 1.2% | -34° |
| 03:00 | ✕ | 100% | 890m | 28% | 1.2% | -29° |
| 04:00 | ✕ | 100% | 332m | 0% | 1.2% | -24° |
| 05:00 | ✕ | 100% | 2144m | 0% | 1.2% | -19° |
| 06:00 | ✕ | 100% | 22867m | 0% | 1.2% | -13° |
| 07:00 | ✕ | 100% | 20872m | 0% | 1.2% | -8.6° |
| 08:00 | ✕ | 100% | 20122m | 0% | 1.2% | -4.4° |
| 09:00 | ✕ | 99% | 19224m | 0% | 1.2% | -1.1° |
| 10:00 | ✕ | 99% | 18743m | 0% | 1.2% | 1.1° |
| 11:00 | ✕ | 100% | 23939m | 0% | 1.2% | 2.2° |
| 12:00 | ✕ | 98% | 24135m | 0% | 1.2% | 2.1° |
| 13:00 | ✕ | 100% | 24134m | 0% | 1.2% | 0.78° |
| 14:00 | ✕ | 100% | 24134m | 0% | 1.2% | -1.7° |
| 15:00 | ✕ | 100% | 24135m | 0% | 1.2% | -5.1° |
| 16:00 | ✕ | 100% | 24135m | 0% | 1.2% | -9.2° |
| 17:00 | ✕ | 100% | 24135m | 0% | 1.2% | -14° |
| 18:00 | ✕ | 100% | 23739m | 0% | 1.2% | -19° |
| 19:00 | ✓ | 100% | 24135m | 0% | 1.2% | -24° |
| 20:00 | ✓ | 100% | 24134m | 1.6% | 1.2% | -28° |
| 21:00 | ✓ | 100% | 24134m | 3.3% | 1.2% | -32° |
| 22:00 | ✓ | 100% | 24135m | 4.9% | 1.2% | -35° |
| 23:00 | ✓ | 100% | 24134m | 20% | 1.2% | -36° |
| Tue, Feb 17 | ||||||
| 24:00 | ✓ | 100% | 24134m | 35% | 1.2% | -36° |
| 01:00 | ✓ | 100% | 24135m | 50% | 0% | -35° |
| 02:00 | ✓ | 100% | 24135m | 50% | 0% | -32° |
| 03:00 | ✓ | 100% | 24134m | 50% | 0% | -28° |
| 04:00 | ✓ | 100% | 24135m | 50% | 0% | -23° |
| 05:00 | ✕ | 100% | 24135m | 46% | 0% | -18° |
| 06:00 | ✕ | 100% | 24134m | 42% | 0% | -13° |
| 07:00 | ✕ | 100% | 24135m | 38% | 0% | -7.4° |
| 08:00 | ✕ | 100% | 24134m | 32% | 0% | -2.6° |
| 09:00 | ✕ | 100% | 24135m | 26% | 0% | 1.5° |
| 10:00 | ✕ | 91% | 24134m | 21% | 0% | 4.7° |
| 11:00 | ✕ | 84% | 24134m | 27% | 0% | 6.9° |
| 12:00 | ✕ | 86% | 24135m | 33% | 0% | 7.8° |
| 13:00 | ✕ | 94% | 24134m | 39% | 0% | 7.4° |
| 14:00 | ✕ | 95% | 24134m | 32% | 0% | 5.8° |
| 15:00 | ✕ | 100% | 24135m | 26% | 0% | 3.1° |
| 16:00 | ✕ | 95% | 24134m | 20% | 0% | -0.58° |
| 17:00 | ✕ | 85% | 24134m | 26% | 0% | -4.9° |
| 18:00 | ✕ | 87% | 24135m | 32% | 0% | -9.7° |
| 19:00 | ✓ | 100% | 24135m | 39% | 0% | -15° |
| 20:00 | ✓ | 79% | 24134m | 42% | 0% | -19° |
| 21:00 | ✓ | 71% | 24134m | 46% | 0% | -24° |
| 22:00 | ✓ | 100% | 24135m | 50% | 0% | -27° |
| 23:00 | ✓ | 98% | 24135m | 43% | 0% | -30° |
| Wed, Feb 18 | ||||||
| 24:00 | ✓ | 81% | 24135m | 36% | 0% | -31° |
| 01:00 | ✓ | 82% | 24135m | 28% | 1.2% | -30° |
| 02:00 | ✓ | 86% | 24134m | 31% | 1.2% | -28° |
| 03:00 | ✓ | 85% | 24135m | 34% | 1.2% | -25° |
| 04:00 | ✓ | 99% | 24135m | 38% | 1.2% | -21° |
| 05:00 | ✕ | 95% | 23704m | 36% | 1.2% | -16° |
| 06:00 | ✕ | 94% | 18727m | 34% | 1.2% | -11° |
| 07:00 | ✕ | 69% | 20175m | 33% | 1.2% | -5.7° |
| 08:00 | ✕ | 56% | 18704m | 33% | 1.2% | -0.5° |
| 09:00 | ✕ | 62% | 23696m | 34% | 1.2% | 4.3° |
| 10:00 | ✕ | 86% | 23702m | 35% | 1.2% | 8.3° |
| 11:00 | ✕ | 93% | 24135m | 39% | 1.2% | 11° |
| 12:00 | ✕ | 95% | 24134m | 43% | 1.2% | 13° |
| 13:00 | ✕ | 100% | 24134m | 47% | 1.2% | 14° |
| 14:00 | ✕ | 100% | 24135m | 51% | 1.2% | 13° |
| 15:00 | ✕ | 100% | 24134m | 54% | 1.2% | 11° |
| 16:00 | ✕ | 100% | 24135m | 57% | 1.2% | 8.3° |
| 17:00 | ✕ | 100% | 24135m | 59% | 1.2% | 4.4° |
| 18:00 | ✕ | 100% | 24134m | 60% | 1.2% | -0.11° |
| 19:00 | ✓ | 100% | 24135m | 61% | 1.2% | -4.9° |
| 20:00 | ✓ | 100% | 23314m | 54% | 1.2% | -9.8° |
| 21:00 | ✓ | 93% | 22992m | 46% | 1.2% | -14° |
| 22:00 | ✓ | 99% | 24135m | 39% | 1.2% | -18° |
| 23:00 | ✓ | 93% | 23400m | 45% | 1.2% | -22° |
| Thu, Feb 19 | ||||||
| 24:00 | ✓ | 88% | 24135m | 50% | 1.2% | -24° |
| 01:00 | ✓ | 99% | 24134m | 56% | 4.5% | -24° |
| 02:00 | ✓ | 100% | 16293m | 46% | 4.5% | -24° |
| 03:00 | ✓ | 100% | 8452m | 36% | 4.5% | -21° |
| 04:00 | ✓ | 100% | 611m | 26% | 4.5% | -18° |
| 05:00 | ✕ | 100% | 1197m | 33% | 4.5% | -14° |
| 06:00 | ✕ | 100% | 1783m | 39% | 4.5% | -9° |
| 07:00 | ✕ | 100% | 2369m | 46% | 4.5% | -3.7° |
| 08:00 | ✕ | 100% | 9624m | 38% | 4.5% | 1.7° |
| 09:00 | ✕ | 100% | 16880m | 30% | 4.5% | 6.9° |
| 10:00 | ✕ | 100% | 24135m | 22% | 4.5% | 12° |
| 11:00 | ✕ | 100% | 24135m | 28% | 4.5% | 16° |
| 12:00 | ✕ | 100% | 24135m | 33% | 4.5% | 19° |
| 13:00 | ✕ | 100% | 24135m | 39% | 4.5% | 20° |
| 14:00 | ✕ | 100% | 24135m | 31% | 4.5% | 21° |
| 15:00 | ✕ | 100% | 24135m | 24% | 4.5% | 20° |
| 16:00 | ✕ | 100% | 24135m | 17% | 4.5% | 17° |
| 17:00 | ✕ | 100% | 24135m | 28% | 4.5% | 14° |
| 18:00 | ✕ | 100% | 24135m | 39% | 4.5% | 9.7° |
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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