Rule
Dark Skies
Dark Skies over Abisko
Sweden
Moonless nights with crystal-clear skies for Milky Way shots
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Stockholm
Next opportunity
Dark Skies
Today · 17:25–18:00 · 1h window
Medium confidence
66%
Dark Skies
Today · 21:00–23:00
Medium
Dark Skies
Tomorrow · 22:00–02:00
Low
Dark Skies
Sun, Jan 11 · 06:00–06:16
Medium
What this forecast looks for
Plain-language explanation from the ruleDark Skies conditions for Milky Way and deep sky photography:
- Astronomical Night: True darkness after twilight ends
- Cloud Cover: Clear skies essential for star photography
- Moon Phase/Position: Low moon illumination or moon below horizon
- Visibility: Excellent transparency for faint objects
Best conditions for capturing the Milky Way, nebulae, and star fields.
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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/Stockholm | 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° |
|---|---|---|---|---|---|---|
| Fri, Jan 9 | ||||||
| 07:00 | ✕ | 73% | 11120m | 0% | 61% | 14° |
| 08:00 | ✕ | 67% | 9340m | 0% | 61% | 11° |
| 09:00 | ✕ | 54% | 7080m | 0% | 61% | 5.7° |
| 10:00 | ✕ | 65% | 3600m | 0% | 61% | 0.39° |
| 11:00 | ✕ | 63% | 2700m | 0% | 61% | -5.2° |
| 12:00 | ✕ | 44% | 2680m | 0% | 61% | -11° |
| 13:00 | ✕ | 26% | 3560m | 0% | 61% | -16° |
| 14:00 | ✕ | 15% | 16020m | 0% | 61% | -20° |
| 15:00 | ✕ | 8% | 17020m | 0% | 61% | -24° |
| 16:00 | ✕ | 6% | 14940m | 0% | 61% | -26° |
| 17:00 | ✓ | 2% | 12520m | 0% | 61% | -27° |
| 18:00 | ✓ | 1% | 11520m | 0% | 61% | -26° |
| 19:00 | ✓ | 1% | 11300m | 0% | 61% | -24° |
| 20:00 | ✓ | 2% | 8040m | 0% | 61% | -21° |
| 21:00 | ✓ | 5% | 20560m | 0% | 61% | -17° |
| 22:00 | ✓ | 2% | 12280m | 0% | 61% | -12° |
| 23:00 | ✓ | 0% | 3880m | 0% | 61% | -6.8° |
| Sat, Jan 10 | ||||||
| 24:00 | ✓ | 0% | 2120m | 0% | 61% | -1.8° |
| 01:00 | ✓ | 0% | 1520m | 0% | 51% | 3° |
| 02:00 | ✓ | 0% | 1700m | 0% | 51% | 7.1° |
| 03:00 | ✓ | 0% | 6340m | 0% | 51% | 10° |
| 04:00 | ✓ | 0% | 5660m | 0% | 51% | 12° |
| 05:00 | ✓ | 0% | 4620m | 0% | 51% | 13° |
| 06:00 | ✓ | 0% | 3840m | 0% | 51% | 13° |
| 07:00 | ✕ | 0% | 3780m | 0% | 51% | 11° |
| 08:00 | ✕ | 0% | 5240m | 0% | 51% | 7.6° |
| 09:00 | ✕ | 0% | 6340m | 0% | 51% | 3.5° |
| 10:00 | ✕ | 0% | 7120m | 0% | 51% | -1.4° |
| 11:00 | ✕ | 0% | 7520m | 0% | 51% | -6.8° |
| 12:00 | ✕ | 0% | 7880m | 0% | 51% | -12° |
| 13:00 | ✕ | 0% | 12860m | 0% | 51% | -18° |
| 14:00 | ✕ | 0% | 15680m | 1% | 51% | -23° |
| 15:00 | ✕ | 1% | 14160m | 1% | 51% | -27° |
| 16:00 | ✕ | 11% | 12340m | 2% | 51% | -31° |
| 17:00 | ✓ | 12% | 11440m | 2% | 51% | -32° |
| 18:00 | ✓ | 6% | 10840m | 2% | 51% | -33° |
| 19:00 | ✓ | 1% | 9600m | 2% | 51% | -32° |
| 20:00 | ✓ | 1% | 9400m | 1% | 51% | -29° |
| 21:00 | ✓ | 3% | 11240m | 0% | 51% | -25° |
| 22:00 | ✓ | 7% | 17080m | 0% | 51% | -21° |
| 23:00 | ✓ | 13% | 22920m | 0% | 51% | -16° |
| Sun, Jan 11 | ||||||
| 24:00 | ✓ | 15% | 27580m | 1% | 51% | -10° |
| 01:00 | ✓ | 16% | 14200m | 2% | 41% | -5.5° |
| 02:00 | ✓ | 39% | 10200m | 2% | 41% | -0.94° |
| 03:00 | ✓ | 56% | 8340m | 2% | 41% | 2.9° |
| 04:00 | ✓ | 37% | 3960m | 2% | 41% | 5.7° |
| 05:00 | ✓ | 29% | 7060m | 2% | 41% | 7.4° |
| 06:00 | ✓ | 19% | 28240m | 2% | 41% | 7.7° |
| 07:00 | ✕ | 26% | 3180m | 2% | 41% | 6.8° |
| 08:00 | ✕ | 17% | 1680m | 3% | 41% | 4.6° |
| 09:00 | ✕ | 17% | 640m | 5% | 41% | 1.2° |
| 10:00 | ✕ | 10% | 340m | 6% | 41% | -3.1° |
| 11:00 | ✕ | 2% | 260m | 6% | 41% | -8° |
| 12:00 | ✕ | 0% | 200m | 5% | 41% | -13° |
| 13:00 | ✕ | 0% | 180m | 4% | 41% | -19° |
| 14:00 | ✕ | 20% | 160m | 3% | 41% | -24° |
| 15:00 | ✕ | 69% | 160m | 1% | 41% | -29° |
| 16:00 | ✕ | 96% | 180m | 0% | 41% | -33° |
| 17:00 | ✓ | 100% | 200m | 0% | 41% | -36° |
| 18:00 | ✓ | 100% | 220m | 0% | 41% | -38° |
| 19:00 | ✓ | 89% | 440m | 0% | 41% | -38° |
| 20:00 | ✓ | 63% | 2180m | 0% | 41% | -36° |
| 21:00 | ✓ | 78% | 2320m | 0% | 41% | -33° |
| 22:00 | ✓ | 87% | 2700m | 0% | 41% | -29° |
| 23:00 | ✓ | 87% | 3960m | 1% | 41% | -24° |
| Mon, Jan 12 | ||||||
| 24:00 | ✓ | 82% | 4120m | 2% | 41% | -19° |
| 01:00 | ✓ | 77% | 4240m | 2% | 33% | -14° |
| 02:00 | ✓ | 73% | 1120m | 2% | 33% | -8.8° |
| 03:00 | ✓ | 75% | 780m | 1% | 33% | -4.5° |
| 04:00 | ✓ | 81% | 640m | 0% | 33% | -1° |
| 05:00 | ✓ | 84% | 680m | 0% | 33% | 1.4° |
| 06:00 | ✓ | 84% | 1520m | 0% | 33% | 2.7° |
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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