Rule
Dark Skies
Kirkjufell - Dark Skies - Iceland
Snæfellsnes, Iceland
Moonless nights with crystal-clear skies for deep-sky photography
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Atlantic/Reykjavik
Next opportunity
Dark Skies
Kirkjufell
Tue, Feb 10 · 20:36–22:00 · 1h window
Medium confidence
47%
☁️Total Cloud Coverage5%
🌕Moon Illumination40.1%
Excellent Dark Skies (pristine)
Kirkjufell
Tue, Feb 10 · 22:00–04:00
☁️Total Cloud Coverage:5.6-8%
Low
Good Dark Skies
Kirkjufell
Wed, Feb 11 · 04:00–06:56
☁️Total Cloud Coverage:10.9-16.7%
Low
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72-hour requirements breakdown
What passed or failed, hour by hour0matching hours in the next 72 hours
OR logic: one branch per group is enough
Meets requirement
Misses requirement
Time Atlantic/Reykjavik | 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 | ||||||
| 18:00 | ✕ | 100% | 39m | 56% | 68% | -40° |
| 19:00 | ✕ | 100% | 52m | 38% | 68% | -39° |
| 20:00 | ✓ | 100% | 113m | 19% | 68% | -37° |
| 21:00 | ✓ | 100% | 8510m | 0% | 68% | -33° |
| 22:00 | ✓ | 100% | 8637m | 0% | 68% | -28° |
| 23:00 | ✓ | 90% | 8741m | 0% | 68% | -22° |
| Sun, Feb 8 | ||||||
| 24:00 | ✓ | 59% | 8624m | 0% | 59% | -16° |
| 01:00 | ✓ | 42% | 8467m | 0% | 59% | -10° |
| 02:00 | ✓ | 58% | 8447m | 0% | 59% | -5° |
| 03:00 | ✓ | 60% | 8505m | 0% | 59% | -0.19° |
| 04:00 | ✓ | 54% | 8607m | 0% | 59% | 3.6° |
| 05:00 | ✓ | 38% | 8639m | 0% | 59% | 6.2° |
| 06:00 | ✓ | 38% | 8726m | 0% | 59% | 7.5° |
| 07:00 | ✓ | 47% | 8859m | 1.1% | 59% | 7.2° |
| 08:00 | ✕ | 30% | 9648m | 2.3% | 59% | 5.5° |
| 09:00 | ✕ | 13% | 20540m | 3.4% | 59% | 2.4° |
| 10:00 | ✕ | 15% | 24134m | 2.3% | 59% | -1.9° |
| 11:00 | ✕ | 22% | 24134m | 1.1% | 59% | -7.1° |
| 12:00 | ✕ | 29% | 24134m | 0% | 59% | -13° |
| 13:00 | ✕ | 29% | 23790m | 0% | 59% | -19° |
| 14:00 | ✕ | 68% | 24134m | 0% | 59% | -26° |
| 15:00 | ✕ | 43% | 23509m | 0% | 59% | -32° |
| 16:00 | ✕ | 82% | 24134m | 0% | 59% | -37° |
| 17:00 | ✕ | 94% | 24135m | 0% | 59% | -41° |
| 18:00 | ✕ | 81% | 24135m | 0% | 59% | -44° |
| 19:00 | ✕ | 100% | 14507m | 8.3% | 59% | -45° |
| 20:00 | ✓ | 100% | 14342m | 17% | 59% | -44° |
| 21:00 | ✓ | 99% | 15002m | 25% | 59% | -41° |
| 22:00 | ✓ | 76% | 15679m | 22% | 59% | -36° |
| 23:00 | ✓ | 45% | 24135m | 20% | 59% | -31° |
| Mon, Feb 9 | ||||||
| 24:00 | ✓ | 41% | 24135m | 17% | 50% | -25° |
| 01:00 | ✓ | 20% | 24134m | 28% | 50% | -19° |
| 02:00 | ✓ | 19% | 24135m | 39% | 50% | -13° |
| 03:00 | ✓ | 6.7% | 24135m | 50% | 50% | -7.9° |
| 04:00 | ✓ | 8% | 24134m | 39% | 50% | -3.4° |
| 05:00 | ✓ | 14% | 24134m | 28% | 50% | 0.09° |
| 06:00 | ✓ | 29% | 24135m | 17% | 50% | 2.3° |
| 07:00 | ✓ | 51% | 24134m | 28% | 50% | 3.2° |
| 08:00 | ✕ | 74% | 24135m | 39% | 50% | 2.6° |
| 09:00 | ✕ | 79% | 24134m | 50% | 50% | 0.59° |
| 10:00 | ✕ | 65% | 24134m | 50% | 50% | -2.7° |
| 11:00 | ✕ | 100% | 24135m | 50% | 50% | -7.1° |
| 12:00 | ✕ | 100% | 24134m | 50% | 50% | -12° |
| 13:00 | ✕ | 100% | 8981m | 38% | 50% | -18° |
| 14:00 | ✕ | 100% | 22685m | 27% | 50% | -24° |
| 15:00 | ✕ | 100% | 24134m | 15% | 50% | -31° |
| 16:00 | ✕ | 100% | 24135m | 10% | 50% | -37° |
| 17:00 | ✕ | 95% | 24134m | 5% | 50% | -42° |
| 18:00 | ✕ | 100% | 24134m | 0% | 50% | -46° |
| 19:00 | ✕ | 76% | 24134m | 0% | 50% | -48° |
| 20:00 | ✓ | 100% | 24135m | 0% | 50% | -49° |
| 21:00 | ✓ | 90% | 24135m | 0% | 50% | -47° |
| 22:00 | ✓ | 94% | 24135m | 0% | 50% | -43° |
| 23:00 | ✓ | 94% | 24135m | 0% | 50% | -38° |
| Tue, Feb 10 | ||||||
| 24:00 | ✓ | 88% | 24134m | 0% | 40% | -33° |
| 01:00 | ✓ | 89% | 24134m | 0% | 40% | -27° |
| 02:00 | ✓ | 89% | 24135m | 0% | 40% | -21° |
| 03:00 | ✓ | 89% | 24135m | 0% | 40% | -15° |
| 04:00 | ✓ | 91% | 24135m | 0% | 40% | -10° |
| 05:00 | ✓ | 92% | 24135m | 0% | 40% | -5.9° |
| 06:00 | ✓ | 94% | 24135m | 0% | 40% | -2.7° |
| 07:00 | ✕ | 87% | 24135m | 0% | 40% | -0.78° |
| 08:00 | ✕ | 81% | 24135m | 0% | 40% | -0.21° |
| 09:00 | ✕ | 75% | 24135m | 0% | 40% | -1° |
| 10:00 | ✕ | 52% | 24135m | 0% | 40% | -3.2° |
| 11:00 | ✕ | 28% | 24135m | 0% | 40% | -6.6° |
| 12:00 | ✕ | 5% | 24135m | 0% | 40% | -11° |
| 13:00 | ✕ | 7.6% | 24135m | 0% | 40% | -16° |
| 14:00 | ✕ | 10% | 24135m | 0% | 40% | -22° |
| 15:00 | ✕ | 13% | 24135m | 0% | 40% | -28° |
| 16:00 | ✕ | 10% | 24135m | 0% | 40% | -35° |
| 17:00 | ✕ | 7.6% | 24135m | 0% | 40% | -40° |
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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