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
Pristine Dark Skies (pristine) at Dawn
Chena Hot Springs
Tomorrow · 06:00–07:00 · 1h window
Medium confidence
62%
🌛Moon Altitude8.1°
☁️Total Cloud Coverage5%
Pristine Dark Skies (pristine) at Sunrise
Chena Hot Springs
Tomorrow · 07:00–09:00
🌛Moon Altitude:-3.6-2.6°
Medium
Pristine Dark Skies (pristine)
Chena Hot Springs
Tomorrow · 09:00–17:00
🌛Moon Altitude:-33.8--9.9°
Medium
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° |
|---|---|---|---|---|---|---|
| Tue, Mar 3 | ||||||
| 16:00 | ✕ | 1.4% | 24134m | 0% | 99% | -16° |
| 17:00 | ✕ | 2.3% | 24134m | 0% | 99% | -12° |
| 18:00 | ✕ | 5% | 24135m | 0% | 99% | -6.4° |
| 19:00 | ✕ | 5% | 24134m | 0% | 99% | -0.68° |
| 20:00 | ✓ | 5% | 24134m | 0% | 99% | 5.2° |
| 21:00 | ✓ | 5% | 24134m | 0% | 99% | 11° |
| 22:00 | ✓ | 6.1% | 24135m | 0% | 99% | 16° |
| 23:00 | ✓ | 6.8% | 24135m | 0% | 99% | 20° |
| Wed, Mar 4 | ||||||
| 24:00 | ✓ | 7.1% | 24134m | 0% | 99% | 24° |
| 01:00 | ✓ | 7.1% | 24135m | 0% | 99% | 25° |
| 02:00 | ✓ | 6.6% | 24134m | 0% | 99% | 25° |
| 03:00 | ✓ | 6.1% | 24134m | 0% | 99% | 23° |
| 04:00 | ✓ | 6.4% | 24134m | 0% | 99% | 20° |
| 05:00 | ✓ | 6.7% | 24134m | 0% | 99% | 15° |
| 06:00 | ✓ | 6.9% | 24135m | 0% | 99% | 10° |
| 07:00 | ✓ | 7% | 24135m | 0% | 99% | 3.9° |
| 08:00 | ✓ | 7.6% | 24135m | 0% | 99% | -2.4° |
| 09:00 | ✓ | 5% | 24135m | 0% | 99% | -8.7° |
| 10:00 | ✓ | 5% | 24135m | 0% | 99% | -15° |
| 11:00 | ✓ | 19% | 24134m | 0% | 99% | -20° |
| 12:00 | ✓ | 100% | 24134m | 0% | 99% | -24° |
| 13:00 | ✓ | 100% | 24135m | 0% | 99% | -27° |
| 14:00 | ✓ | 100% | 24135m | 0% | 99% | -28° |
| 15:00 | ✕ | 100% | 24134m | 0% | 96% | -27° |
| 16:00 | ✕ | 100% | 24135m | 0% | 96% | -25° |
| 17:00 | ✕ | 100% | 24134m | 0% | 96% | -21° |
| 18:00 | ✕ | 100% | 24134m | 0% | 96% | -16° |
| 19:00 | ✕ | 100% | 24134m | 0% | 96% | -11° |
| 20:00 | ✓ | 100% | 24135m | 0% | 96% | -4.8° |
| 21:00 | ✓ | 100% | 24134m | 0% | 96% | 1.1° |
| 22:00 | ✓ | 100% | 24135m | 0% | 96% | 6.6° |
| 23:00 | ✓ | 100% | 24135m | 0% | 96% | 11° |
| Thu, Mar 5 | ||||||
| 24:00 | ✓ | 100% | 24134m | 0% | 96% | 15° |
| 01:00 | ✓ | 96% | 24134m | 0% | 96% | 18° |
| 02:00 | ✓ | 23% | 24134m | 0% | 96% | 19° |
| 03:00 | ✓ | 5% | 24135m | 0% | 96% | 19° |
| 04:00 | ✓ | 5% | 24134m | 0% | 96% | 16° |
| 05:00 | ✓ | 5% | 24134m | 0% | 96% | 13° |
| 06:00 | ✓ | 5% | 24134m | 0% | 96% | 8.1° |
| 07:00 | ✓ | 5% | 24135m | 0% | 96% | 2.6° |
| 08:00 | ✓ | 5.1% | 24135m | 0% | 96% | -3.6° |
| 09:00 | ✓ | 4.2% | 24135m | 0% | 96% | -9.9° |
| 10:00 | ✓ | 0.8% | 24134m | 0% | 96% | -16° |
| 11:00 | ✓ | 1% | 24134m | 0% | 96% | -22° |
| 12:00 | ✓ | 1% | 24134m | 0% | 96% | -27° |
| 13:00 | ✓ | 4.2% | 24134m | 0% | 96% | -31° |
| 14:00 | ✓ | 4.4% | 24135m | 0% | 96% | -33° |
| 15:00 | ✓ | 5.5% | 24134m | 0% | 90% | -34° |
| 16:00 | ✓ | 13% | 24135m | 0% | 90% | -33° |
| 17:00 | ✓ | 43% | 24135m | 0% | 90% | -30° |
| 18:00 | ✓ | 52% | 24134m | 0% | 90% | -25° |
| 19:00 | ✓ | 36% | 24134m | 0% | 90% | -20° |
| 20:00 | ✓ | 99% | 24134m | 0% | 90% | -14° |
| 21:00 | ✓ | 100% | 24135m | 0% | 90% | -8.5° |
| 22:00 | ✓ | 100% | 24134m | 0% | 90% | -2.8° |
| 23:00 | ✓ | 100% | 24135m | 0% | 90% | 2.5° |
| Fri, Mar 6 | ||||||
| 24:00 | ✓ | 100% | 24134m | 0% | 90% | 7° |
| 01:00 | ✓ | 100% | 24134m | 17% | 90% | 10° |
| 02:00 | ✓ | 100% | 24135m | 33% | 90% | 13° |
| 03:00 | ✓ | 100% | 24134m | 50% | 90% | 13° |
| 04:00 | ✓ | 100% | 24134m | 50% | 90% | 12° |
| 05:00 | ✓ | 100% | 24135m | 50% | 90% | 9.8° |
| 06:00 | ✓ | 100% | 24134m | 50% | 90% | 6° |
| 07:00 | ✓ | 100% | 24134m | 41% | 90% | 1.2° |
| 08:00 | ✓ | 100% | 24134m | 32% | 90% | -4.5° |
| 09:00 | ✓ | 100% | 24135m | 24% | 90% | -11° |
| 10:00 | ✓ | 100% | 24026m | 48% | 90% | -17° |
| 11:00 | ✓ | 100% | 15720m | 73% | 90% | -23° |
| 12:00 | ✓ | 100% | 474m | 97% | 90% | -29° |
| 13:00 | ✓ | 100% | 850m | 98% | 90% | -34° |
| 14:00 | ✓ | 100% | 536m | 99% | 90% | -37° |
| 15:00 | ✓ | 100% | 217m | 100% | 84% | -39° |
| 16:00 | ✓ | 100% | 161m | 96% | 84% | -39° |
| 17:00 | ✓ | 100% | 130m | 93% | 84% | -37° |
| 18:00 | ✓ | 100% | 176m | 89% | 84% | -34° |
| 19:00 | ✓ | 100% | 8303m | 92% | 84% | -29° |
| 20:00 | ✓ | 100% | 16765m | 94% | 84% | -24° |
| 21:00 | ✓ | 100% | 125m | 97% | 84% | -18° |
| 22:00 | ✓ | 100% | 149m | 92% | 84% | -12° |
| 23:00 | ✓ | 100% | 173m | 87% | 84% | -6.3° |
| Sat, Mar 7 | ||||||
| 24:00 | ✓ | 100% | 197m | 82% | 84% | -1.2° |
| 01:00 | ✓ | 100% | 529m | 87% | 84% | 2.9° |
| 02:00 | ✓ | 100% | 860m | 91% | 84% | 5.9° |
| 03:00 | ✓ | 100% | 1192m | 95% | 84% | 7.6° |
| 04:00 | ✓ | 100% | 877m | 85% | 84% | 7.8° |
| 05:00 | ✓ | 100% | 562m | 74% | 84% | 6.5° |
| 06:00 | ✓ | 100% | 247m | 64% | 84% | 3.8° |
| 07:00 | ✓ | 100% | 245m | 70% | 84% | -0.15° |
| 08:00 | ✓ | 100% | 244m | 77% | 84% | -5.1° |
| 09:00 | ✓ | 100% | 242m | 83% | 84% | -11° |
| 10:00 | ✓ | 100% | 475m | 83% | 84% | -17° |
| 11:00 | ✓ | 100% | 708m | 82% | 84% | -23° |
| 12:00 | ✓ | 100% | 941m | 82% | 84% | -29° |
| 13:00 | ✓ | 100% | 830m | 82% | 84% | -35° |
| 14:00 | ✓ | 100% | 719m | 82% | 84% | -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.
Get Notified of Opportunities
Create your own custom alerts for this location and more.
Create Free Account