Rule
Dark Skies
Chena Hot Springs - Dark Skies - Alaska
Chena Hot Springs, 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
Chena Hot Springs
Today · 22:00–01:00 · 3h window
Medium confidence
49%
☁️Total Cloud Coverage16.2-16.9%
🌕Moon Illumination59.2%
Dark Skies
Chena Hot Springs
Tomorrow · 01:00–06:00
☁️Total Cloud Coverage:5%
Medium
Excellent Dark Skies (pristine)
Chena Hot Springs
Tomorrow · 06:00–08:00
☁️Total Cloud Coverage:5.7%
Medium
Excellent Dark Skies (pristine) at Sunrise
Chena Hot Springs
Tomorrow · 08:00–10:00
☁️Total Cloud Coverage:5.9-6.3%
Medium
Dark Skies
Chena Hot Springs
Tomorrow · 10:00–11:00
☁️Total Cloud Coverage:5%
Medium
Dark Skies
Chena Hot Springs
Tomorrow · 11:00–20:00
☁️Total Cloud Coverage:5%
Medium
Excellent Dark Skies (pristine)
Chena Hot Springs
Tomorrow · 20:00–21:00
☁️Total Cloud Coverage:5.6%
Medium
+3 more windows in the next 10 days
Create your own Dark Skies alerts
Get notified when these conditions match at your own locations.
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, Feb 7 | ||||||
| 21:00 | ✓ | 20% | 24134m | 0% | 59% | -32° |
| 22:00 | ✓ | 17% | 24135m | 0% | 59% | -26° |
| 23:00 | ✓ | 17% | 24134m | 0% | 59% | -20° |
| Sun, Feb 8 | ||||||
| 24:00 | ✓ | 16% | 24134m | 0% | 59% | -14° |
| 01:00 | ✓ | 5% | 24135m | 0% | 59% | -8.8° |
| 02:00 | ✓ | 5% | 24134m | 0% | 59% | -3.8° |
| 03:00 | ✓ | 5% | 24134m | 0% | 59% | 0.46° |
| 04:00 | ✓ | 5% | 24134m | 0% | 59% | 3.6° |
| 05:00 | ✓ | 5% | 24134m | 0% | 59% | 5.4° |
| 06:00 | ✓ | 5.7% | 24135m | 0% | 59% | 5.8° |
| 07:00 | ✓ | 5.7% | 24134m | 0% | 59% | 4.7° |
| 08:00 | ✓ | 5.9% | 24134m | 0% | 59% | 2.2° |
| 09:00 | ✓ | 6.3% | 24135m | 0% | 59% | -1.5° |
| 10:00 | ✓ | 5% | 24135m | 0% | 59% | -6.3° |
| 11:00 | ✓ | 5% | 24134m | 0% | 59% | -12° |
| 12:00 | ✓ | 5% | 24134m | 0% | 59% | -18° |
| 13:00 | ✓ | 5% | 24135m | 0% | 59% | -24° |
| 14:00 | ✓ | 5% | 24135m | 0% | 59% | -30° |
| 15:00 | ✓ | 5% | 24135m | 0% | 50% | -36° |
| 16:00 | ✓ | 5% | 24134m | 0% | 50% | -41° |
| 17:00 | ✓ | 5% | 24134m | 0% | 50% | -44° |
| 18:00 | ✓ | 5% | 24135m | 0% | 50% | -46° |
| 19:00 | ✓ | 5% | 24135m | 0% | 50% | -46° |
| 20:00 | ✓ | 5.6% | 24135m | 0% | 50% | -43° |
| 21:00 | ✓ | 37% | 24134m | 0% | 50% | -40° |
| 22:00 | ✓ | 83% | 24134m | 0% | 50% | -34° |
| 23:00 | ✓ | 100% | 24135m | 0% | 50% | -29° |
| Mon, Feb 9 | ||||||
| 24:00 | ✓ | 100% | 24135m | 0% | 50% | -23° |
| 01:00 | ✓ | 100% | 24134m | 0% | 50% | -17° |
| 02:00 | ✓ | 100% | 24134m | 0% | 50% | -11° |
| 03:00 | ✓ | 100% | 24135m | 0% | 50% | -6.6° |
| 04:00 | ✓ | 100% | 24135m | 13% | 50% | -2.7° |
| 05:00 | ✓ | 100% | 24134m | 26% | 50% | 0.1° |
| 06:00 | ✓ | 100% | 24134m | 39% | 50% | 1.6° |
| 07:00 | ✓ | 100% | 24135m | 33% | 50% | 1.6° |
| 08:00 | ✓ | 100% | 24135m | 28% | 50% | 0.29° |
| 09:00 | ✓ | 100% | 24135m | 22% | 50% | -2.4° |
| 10:00 | ✓ | 97% | 24135m | 15% | 50% | -6.2° |
| 11:00 | ✓ | 100% | 24135m | 7.4% | 50% | -11° |
| 12:00 | ✓ | 100% | 24134m | 0% | 50% | -17° |
| 13:00 | ✓ | 93% | 24135m | 7.4% | 50% | -23° |
| 14:00 | ✓ | 99% | 24134m | 15% | 50% | -29° |
| 15:00 | ✓ | 87% | 24134m | 22% | 40% | -35° |
| 16:00 | ✓ | 71% | 24134m | 15% | 40% | -41° |
| 17:00 | ✓ | 5% | 24135m | 7.4% | 40% | -45° |
| 18:00 | ✓ | 5% | 24134m | 0% | 40% | -48° |
| 19:00 | ✓ | 5% | 24135m | 0% | 40% | -50° |
| 20:00 | ✓ | 7.3% | 24134m | 0% | 40% | -49° |
| 21:00 | ✓ | 9.9% | 24135m | 0% | 40% | -46° |
| 22:00 | ✓ | 9.8% | 24134m | 0% | 40% | -42° |
| 23:00 | ✓ | 7.8% | 24135m | 0% | 40% | -36° |
| Tue, Feb 10 | ||||||
| 24:00 | ✓ | 8.4% | 24135m | 0% | 40% | -30° |
| 01:00 | ✓ | 5.8% | 24135m | 0% | 40% | -24° |
| 02:00 | ✓ | 5.1% | 24134m | 0% | 40% | -19° |
| 03:00 | ✓ | 5.1% | 24134m | 0% | 40% | -13° |
| 04:00 | ✓ | 3.9% | 24134m | 0% | 40% | -8.7° |
| 05:00 | ✓ | 2.8% | 24135m | 0% | 40% | -5° |
| 06:00 | ✓ | 1.6% | 24135m | 0% | 40% | -2.5° |
| 07:00 | ✓ | 34% | 24135m | 0% | 40% | -1.3° |
| 08:00 | ✓ | 67% | 24135m | 0% | 40% | -1.5° |
| 09:00 | ✓ | 100% | 24135m | 0% | 40% | -3° |
| 10:00 | ✓ | 100% | 24135m | 9.4% | 40% | -5.8° |
| 11:00 | ✓ | 100% | 24135m | 19% | 40% | -9.8° |
| 12:00 | ✓ | 100% | 24135m | 28% | 40% | -15° |
| 13:00 | ✓ | 100% | 16133m | 44% | 40% | -20° |
| 14:00 | ✓ | 100% | 8130m | 59% | 40% | -26° |
| 15:00 | ✓ | 100% | 128m | 75% | 32% | -32° |
| 16:00 | ✓ | 100% | 128m | 82% | 32% | -38° |
| 17:00 | ✓ | 100% | 129m | 90% | 32% | -44° |
| 18:00 | ✓ | 100% | 130m | 97% | 32% | -48° |
| 19:00 | ✓ | 100% | 179m | 98% | 32% | -51° |
| 20:00 | ✓ | 99% | 228m | 99% | 32% | -52° |
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.
Get Notified of Opportunities
Create your own custom alerts for this location and more.
Create Free Account