Rule
Dark Skies
Svolvaer - Dark Skies - Norwegian Fjords
Svolvær, Nordland, 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
Excellent Dark Skies (pristine)
Svolvaer
Today · 18:58–21:00 · 2h window
Medium confidence
54%
☁️Total Cloud Coverage6.2%
🌕Moon Illumination68.4%
Good Dark Skies
Svolvaer
Mon, Feb 9 · 19:05–20:00
☁️Total Cloud Coverage:18.7%
Medium
Pristine Dark Skies (pristine)
Svolvaer
Mon, Feb 9 · 20:00–04:00
☁️Total Cloud Coverage:2.5-4.7%
Medium
Dark Skies
Svolvaer
Tue, Feb 10 · 04:00–05:25
☁️Total Cloud Coverage:5%
Low
Pristine Dark Skies (pristine)
Svolvaer
Wed, Feb 11 · 19:11–05:18
☁️Total Cloud Coverage:0.2-4.4%
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/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° |
|---|---|---|---|---|---|---|
| Sat, Feb 7 | ||||||
| 19:00 | ✓ | 6.2% | 23424m | 0% | 68% | -32° |
| 20:00 | ✓ | 6.2% | 23424m | 0% | 68% | -28° |
| 21:00 | ✓ | 29% | 22114m | 0% | 68% | -23° |
| 22:00 | ✓ | 29% | 22047m | 0% | 68% | -18° |
| 23:00 | ✓ | 31% | 13338m | 0% | 68% | -13° |
| Sun, Feb 8 | ||||||
| 24:00 | ✓ | 32% | 13334m | 0% | 68% | -8° |
| 01:00 | ✓ | 35% | 12938m | 0% | 59% | -3.5° |
| 02:00 | ✓ | 36% | 12810m | 0% | 59% | 0.19° |
| 03:00 | ✓ | 34% | 12620m | 0% | 59% | 2.9° |
| 04:00 | ✓ | 56% | 12638m | 0% | 59% | 4.4° |
| 05:00 | ✓ | 100% | 12656m | 0% | 59% | 4.7° |
| 06:00 | ✕ | 100% | 13327m | 0% | 59% | 3.6° |
| 07:00 | ✕ | 100% | 22046m | 0% | 59% | 1.4° |
| 08:00 | ✕ | 100% | 22150m | 0% | 59% | -2° |
| 09:00 | ✕ | 100% | 23421m | 0% | 59% | -6.3° |
| 10:00 | ✕ | 100% | 23421m | 0% | 59% | -11° |
| 11:00 | ✕ | 100% | 24134m | 17% | 59% | -17° |
| 12:00 | ✕ | 100% | 24134m | 33% | 59% | -22° |
| 13:00 | ✕ | 100% | 24134m | 50% | 59% | -28° |
| 14:00 | ✕ | 100% | 23585m | 40% | 59% | -33° |
| 15:00 | ✕ | 100% | 23537m | 29% | 59% | -37° |
| 16:00 | ✕ | 100% | 23524m | 19% | 59% | -40° |
| 17:00 | ✕ | 100% | 23590m | 30% | 59% | -41° |
| 18:00 | ✕ | 100% | 24135m | 42% | 59% | -41° |
| 19:00 | ✓ | 100% | 24135m | 53% | 59% | -39° |
| 20:00 | ✓ | 100% | 24134m | 66% | 59% | -36° |
| 21:00 | ✓ | 100% | 24135m | 80% | 59% | -31° |
| 22:00 | ✓ | 100% | 24135m | 93% | 59% | -26° |
| 23:00 | ✓ | 100% | 24135m | 94% | 59% | -21° |
| Mon, Feb 9 | ||||||
| 24:00 | ✓ | 100% | 24135m | 94% | 59% | -16° |
| 01:00 | ✓ | 100% | 24135m | 94% | 50% | -11° |
| 02:00 | ✓ | 100% | 24134m | 83% | 50% | -6.8° |
| 03:00 | ✓ | 100% | 24135m | 72% | 50% | -3.4° |
| 04:00 | ✓ | 99% | 23655m | 62% | 50% | -1.1° |
| 05:00 | ✓ | 95% | 23627m | 64% | 50% | 0.15° |
| 06:00 | ✕ | 84% | 24134m | 66% | 50% | 0.11° |
| 07:00 | ✕ | 73% | 24135m | 68% | 50% | -1.2° |
| 08:00 | ✕ | 75% | 16152m | 53% | 50% | -3.7° |
| 09:00 | ✕ | 33% | 15397m | 38% | 50% | -7.2° |
| 10:00 | ✕ | 45% | 15409m | 22% | 50% | -12° |
| 11:00 | ✕ | 79% | 24134m | 31% | 50% | -17° |
| 12:00 | ✕ | 73% | 24135m | 41% | 50% | -22° |
| 13:00 | ✕ | 99% | 24134m | 50% | 50% | -27° |
| 14:00 | ✕ | 100% | 24134m | 38% | 50% | -33° |
| 15:00 | ✕ | 100% | 5530m | 26% | 50% | -38° |
| 16:00 | ✕ | 97% | 20270m | 14% | 50% | -42° |
| 17:00 | ✕ | 83% | 19266m | 9.1% | 50% | -44° |
| 18:00 | ✕ | 42% | 18977m | 4.6% | 50% | -45° |
| 19:00 | ✓ | 19% | 24134m | 0% | 50% | -44° |
| 20:00 | ✓ | 2.6% | 24134m | 0% | 50% | -42° |
| 21:00 | ✓ | 2.6% | 24135m | 0% | 50% | -38° |
| 22:00 | ✓ | 2.6% | 24135m | 0% | 50% | -34° |
| 23:00 | ✓ | 2.5% | 24135m | 0% | 50% | -29° |
| Tue, Feb 10 | ||||||
| 24:00 | ✓ | 2.5% | 24135m | 0% | 50% | -23° |
| 01:00 | ✓ | 4.1% | 24134m | 0% | 40% | -18° |
| 02:00 | ✓ | 4.4% | 24134m | 0% | 40% | -14° |
| 03:00 | ✓ | 4.7% | 24135m | 0% | 40% | -9.5° |
| 04:00 | ✓ | 5% | 24135m | 0% | 40% | -6.3° |
| 05:00 | ✓ | 5% | 24135m | 0% | 40% | -4.2° |
| 06:00 | ✕ | 5% | 24135m | 0% | 40% | -3.3° |
| 07:00 | ✕ | 5% | 24135m | 0% | 40% | -3.5° |
| 08:00 | ✕ | 5% | 24135m | 0% | 40% | -5° |
| 09:00 | ✕ | 5% | 24135m | 0% | 40% | -7.6° |
| 10:00 | ✕ | 5% | 24135m | 0% | 40% | -11° |
| 11:00 | ✕ | 4.6% | 24135m | 0% | 40% | -16° |
| 12:00 | ✕ | 4.2% | 24135m | 0% | 40% | -21° |
| 13:00 | ✕ | 3.8% | 24135m | 0% | 40% | -26° |
| 14:00 | ✕ | 4.2% | 24135m | 0% | 40% | -31° |
| 15:00 | ✕ | 4.6% | 24135m | 0% | 40% | -37° |
| 16:00 | ✕ | 5% | 24135m | 0% | 40% | -41° |
| 17:00 | ✕ | 22% | 24135m | 0% | 40% | -45° |
| 18:00 | ✕ | 39% | 24135m | 0% | 40% | -47° |
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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