Rule
Dark Skies
Coldfoot - Dark Skies - Alaska
Coldfoot, Alaska, United States
Moonless nights with crystal-clear skies for deep-sky photography
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in America/Anchorage
Next opportunity
Good Dark Skies
Coldfoot
Today · 23:00–01:00 · 2h window
Medium confidence
48%
🌛Moon Altitude-38.5--37.8°
☁️Total Cloud Coverage12.4-12.6%
Pristine Dark Skies (pristine)
Coldfoot
Tomorrow · 03:00–07:00
🌛Moon Altitude:-31--14.7°
Medium
Pristine Dark Skies (pristine) at Sunrise
Coldfoot
Tomorrow · 07:00–10:00
🌛Moon Altitude:-8.9-1.3°
Medium
Pristine Dark Skies (pristine)
Coldfoot
Tomorrow · 10:00–07:00
🌛Moon Altitude:-32.6-9.7°
Medium
Pristine Dark Skies (pristine) at Sunrise
Coldfoot
Tue, Mar 17 · 07:00–10:00
🌛Moon Altitude:-7.8-3.4°
Medium
Pristine Dark Skies (pristine)
Coldfoot
Tue, Mar 17 · 10:00–17:00
🌛Moon Altitude:8.2-16°
Medium
Pristine Dark Skies (pristine)
Coldfoot
Wed, Mar 18 · 01:00–06:00
🌛Moon Altitude:-26--16.9°
Medium
+13 more windows in the next 10 days
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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 America/Anchorage | 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, Mar 14 | ||||||
| 20:00 | ✕ | 78% | 5429m | 0% | 14% | -35° |
| 21:00 | ✕ | 81% | 4891m | 0% | 14% | -40° |
| 22:00 | ✕ | 97% | 6484m | 0% | 14% | -42° |
| 23:00 | ✓ | 100% | 13138m | 0% | 14% | -43° |
| Sun, Mar 15 | ||||||
| 24:00 | ✓ | 100% | 15053m | 0% | 14% | -43° |
| 01:00 | ✓ | 100% | 15441m | 0% | 14% | -41° |
| 02:00 | ✓ | 100% | 16233m | 0% | 14% | -37° |
| 03:00 | ✓ | 100% | 17831m | 0% | 14% | -32° |
| 04:00 | ✓ | 100% | 21634m | 0% | 14% | -26° |
| 05:00 | ✓ | 100% | 24135m | 0% | 14% | -21° |
| 06:00 | ✓ | 100% | 24135m | 0% | 14% | -15° |
| 07:00 | ✓ | 96% | 24135m | 0% | 14% | -9.6° |
| 08:00 | ✓ | 100% | 24134m | 0% | 14% | -4.7° |
| 09:00 | ✓ | 100% | 24134m | 0% | 14% | -0.75° |
| 10:00 | ✓ | 100% | 24134m | 0% | 14% | 2.2° |
| 11:00 | ✓ | 100% | 24134m | 0% | 14% | 3.9° |
| 12:00 | ✓ | 100% | 24135m | 0% | 14% | 4.3° |
| 13:00 | ✓ | 97% | 24134m | 0% | 14% | 3.4° |
| 14:00 | ✓ | 72% | 24135m | 0% | 14% | 1.2° |
| 15:00 | ✓ | 42% | 24135m | 0% | 14% | -2.1° |
| 16:00 | ✓ | 52% | 24135m | 0% | 7.9% | -6.3° |
| 17:00 | ✓ | 62% | 24135m | 0% | 7.9% | -11° |
| 18:00 | ✓ | 76% | 24134m | 0% | 7.9% | -17° |
| 19:00 | ✓ | 76% | 24135m | 0% | 7.9% | -22° |
| 20:00 | ✓ | 76% | 24135m | 0% | 7.9% | -27° |
| 21:00 | ✓ | 64% | 24134m | 0% | 7.9% | -32° |
| 22:00 | ✓ | 33% | 24135m | 0% | 7.9% | -35° |
| 23:00 | ✓ | 12% | 24134m | 0% | 7.9% | -38° |
| Mon, Mar 16 | ||||||
| 24:00 | ✓ | 13% | 24134m | 0% | 7.9% | -39° |
| 01:00 | ✓ | 53% | 24135m | 0% | 7.9% | -38° |
| 02:00 | ✓ | 29% | 24135m | 0% | 7.9% | -35° |
| 03:00 | ✓ | 11% | 24134m | 0% | 7.9% | -31° |
| 04:00 | ✓ | 5.1% | 24134m | 0% | 7.9% | -26° |
| 05:00 | ✓ | 5.1% | 24134m | 0% | 7.9% | -20° |
| 06:00 | ✓ | 5% | 24135m | 0% | 7.9% | -15° |
| 07:00 | ✓ | 17% | 24134m | 0% | 7.9% | -8.9° |
| 08:00 | ✓ | 17% | 24135m | 0% | 7.9% | -3.5° |
| 09:00 | ✓ | 5% | 24135m | 0% | 7.9% | 1.3° |
| 10:00 | ✓ | 5% | 24134m | 0% | 7.9% | 5.2° |
| 11:00 | ✓ | 5% | 24134m | 0% | 7.9% | 8° |
| 12:00 | ✓ | 5% | 24135m | 0% | 7.9% | 9.6° |
| 13:00 | ✓ | 5% | 24134m | 0% | 7.9% | 9.7° |
| 14:00 | ✓ | 5% | 24135m | 0% | 7.9% | 8.5° |
| 15:00 | ✓ | 5% | 24134m | 0% | 7.9% | 6° |
| 16:00 | ✓ | 5% | 24135m | 0% | 2.9% | 2.4° |
| 17:00 | ✓ | 5% | 24134m | 0% | 2.9% | -2.1° |
| 18:00 | ✓ | 5% | 24135m | 0% | 2.9% | -7.1° |
| 19:00 | ✓ | 5% | 24134m | 0% | 2.9% | -12° |
| 20:00 | ✓ | 5% | 24135m | 0% | 2.9% | -18° |
| 21:00 | ✓ | 5% | 24135m | 0% | 2.9% | -23° |
| 22:00 | ✓ | 5% | 24135m | 0% | 2.9% | -27° |
| 23:00 | ✓ | 5% | 24135m | 0% | 2.9% | -30° |
| Tue, Mar 17 | ||||||
| 24:00 | ✓ | 5% | 24135m | 0% | 2.9% | -32° |
| 01:00 | ✓ | 5% | 24134m | 0% | 2.9% | -33° |
| 02:00 | ✓ | 5% | 24134m | 0% | 2.9% | -31° |
| 03:00 | ✓ | 5% | 24134m | 0% | 2.9% | -28° |
| 04:00 | ✓ | 5% | 24135m | 0% | 2.9% | -24° |
| 05:00 | ✓ | 5% | 24135m | 0% | 2.9% | -19° |
| 06:00 | ✓ | 5% | 24134m | 0% | 2.9% | -14° |
| 07:00 | ✓ | 5% | 24134m | 0% | 2.9% | -7.8° |
| 08:00 | ✓ | 5% | 24135m | 0% | 2.9% | -2° |
| 09:00 | ✓ | 5% | 24135m | 0% | 2.9% | 3.4° |
| 10:00 | ✓ | 5% | 24134m | 0% | 2.9% | 8.2° |
| 11:00 | ✓ | 4.6% | 24134m | 0% | 2.9% | 12° |
| 12:00 | ✓ | 4.2% | 24135m | 0% | 2.9% | 15° |
| 13:00 | ✓ | 3.8% | 24135m | 0% | 2.9% | 16° |
| 14:00 | ✓ | 4.2% | 24135m | 0% | 2.9% | 16° |
| 15:00 | ✓ | 4.7% | 24135m | 0% | 2.9% | 14° |
| 16:00 | ✓ | 5.1% | 24135m | 0% | 0.4% | 11° |
| 17:00 | ✓ | 23% | 24135m | 0% | 0.4% | 7.4° |
| 18:00 | ✓ | 41% | 24135m | 0% | 0.4% | 2.7° |
| 19:00 | ✓ | 59% | 24135m | 0% | 0.4% | -2.5° |
| 20:00 | ✓ | 73% | 24135m | 0% | 0.4% | -7.8° |
| 21:00 | ✓ | 86% | 24135m | 0% | 0.4% | -13° |
| 22:00 | ✓ | 100% | 24135m | 0% | 0.4% | -18° |
| 23:00 | ✓ | 68% | 24135m | 0% | 0.4% | -22° |
| Wed, Mar 18 | ||||||
| 24:00 | ✓ | 37% | 24135m | 0% | 0.4% | -25° |
| 01:00 | ✓ | 5% | 24135m | 0% | 0.4% | -26° |
| 02:00 | ✓ | 6.2% | 24135m | 0% | 0.4% | -26° |
| 03:00 | ✓ | 7.4% | 24135m | 0% | 0.4% | -24° |
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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