Rule
Dark Skies
Mount Cook - Dark Skies - New Zealand
Twizel, Canterbury, New Zealand
Moonless nights with crystal-clear skies for deep-sky photography
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Pacific/Auckland
Next opportunity
Good Dark Skies at Sunrise
Mount Cook
Tomorrow · 07:00–09:00 · 2h window
Medium confidence
42%
🌛Moon Altitude53.2-62.6°
☁️Total Cloud Coverage16-19%
Pristine Dark Skies (pristine)
Mount Cook
Tomorrow · 09:00–19:00
🌛Moon Altitude:-1.6-71.3°
Medium
Pristine Dark Skies (pristine) at Sunset
Mount Cook
Tomorrow · 19:00–21:00
🌛Moon Altitude:-15.4--9.3°
Medium
Pristine Dark Skies (pristine)
Mount Cook
Tomorrow · 21:00–07:00
🌛Moon Altitude:-21.4-32.5°
Medium
Pristine Dark Skies (pristine) at Sunrise
Mount Cook
Sun, Mar 15 · 07:00–09:00
🌛Moon Altitude:42.7-52.6°
Medium
Pristine Dark Skies (pristine)
Mount Cook
Sun, Mar 15 · 09:00–19:00
🌛Moon Altitude:2.9-67.5°
Medium
Pristine Dark Skies (pristine) at Sunset
Mount Cook
Sun, Mar 15 · 19:00–21:00
🌛Moon Altitude:-13.8--6°
Medium
+9 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 Pacific/Auckland | 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° |
|---|---|---|---|---|---|---|
| Thu, Mar 12 | ||||||
| 14:00 | ✕ | 100% | 24134m | 0% | 39% | 22° |
| 15:00 | ✕ | 99% | 24135m | 0% | 39% | 12° |
| 16:00 | ✕ | 1.9% | 24134m | 0% | 39% | 3.4° |
| 17:00 | ✕ | 0.5% | 24135m | 0% | 39% | -4.2° |
| 18:00 | ✕ | 3.7% | 24134m | 0% | 39% | -10° |
| 19:00 | ✕ | 3.3% | 24135m | 0% | 39% | -15° |
| 20:00 | ✕ | 14% | 24134m | 27% | 39% | -17° |
| 21:00 | ✓ | 17% | 24134m | 55% | 39% | -17° |
| 22:00 | ✓ | 1.3% | 24134m | 82% | 39% | -15° |
| 23:00 | ✓ | 8.8% | 24134m | 88% | 39% | -10° |
| Fri, Mar 13 | ||||||
| 24:00 | ✓ | 7.6% | 24134m | 94% | 39% | -3.7° |
| 01:00 | ✓ | 43% | 24135m | 100% | 39% | 4° |
| 02:00 | ✓ | 69% | 18352m | 89% | 39% | 13° |
| 03:00 | ✓ | 94% | 18197m | 86% | 39% | 22° |
| 04:00 | ✓ | 100% | 22763m | 83% | 39% | 32° |
| 05:00 | ✓ | 67% | 24134m | 88% | 39% | 43° |
| 06:00 | ✓ | 86% | 24135m | 94% | 39% | 53° |
| 07:00 | ✓ | 100% | 23568m | 99% | 39% | 63° |
| 08:00 | ✓ | 86% | 24134m | 94% | 39% | 71° |
| 09:00 | ✓ | 56% | 24135m | 88% | 39% | 73° |
| 10:00 | ✓ | 100% | 24135m | 82% | 39% | 69° |
| 11:00 | ✓ | 73% | 24134m | 82% | 39% | 60° |
| 12:00 | ✓ | 100% | 12461m | 82% | 39% | 51° |
| 13:00 | ✕ | 100% | 24135m | 82% | 30% | 40° |
| 14:00 | ✕ | 100% | 20081m | 84% | 30% | 30° |
| 15:00 | ✕ | 100% | 5550m | 86% | 30% | 20° |
| 16:00 | ✕ | 100% | 12164m | 88% | 30% | 10° |
| 17:00 | ✕ | 100% | 4351m | 91% | 30% | 1.5° |
| 18:00 | ✕ | 100% | 20984m | 94% | 30% | -6.1° |
| 19:00 | ✕ | 100% | 23044m | 96% | 30% | -12° |
| 20:00 | ✕ | 100% | 19850m | 79% | 30% | -17° |
| 21:00 | ✓ | 43% | 24134m | 63% | 30% | -19° |
| 22:00 | ✓ | 63% | 16847m | 46% | 30% | -18° |
| 23:00 | ✓ | 76% | 20719m | 48% | 30% | -16° |
| Sat, Mar 14 | ||||||
| 24:00 | ✓ | 83% | 20928m | 50% | 30% | -11° |
| 01:00 | ✓ | 67% | 24135m | 52% | 30% | -4° |
| 02:00 | ✓ | 87% | 21807m | 35% | 30% | 4° |
| 03:00 | ✓ | 83% | 21542m | 17% | 30% | 13° |
| 04:00 | ✓ | 88% | 19527m | 0% | 30% | 23° |
| 05:00 | ✓ | 76% | 21198m | 0% | 30% | 33° |
| 06:00 | ✓ | 39% | 24135m | 0% | 30% | 43° |
| 07:00 | ✓ | 16% | 24135m | 0% | 30% | 53° |
| 08:00 | ✓ | 19% | 24135m | 0% | 30% | 63° |
| 09:00 | ✓ | 16% | 24135m | 0% | 30% | 70° |
| 10:00 | ✓ | 1.3% | 24134m | 0% | 30% | 71° |
| 11:00 | ✓ | 8.5% | 24134m | 0% | 30% | 66° |
| 12:00 | ✓ | 0.8% | 24134m | 0% | 30% | 58° |
| 13:00 | ✓ | 0% | 24135m | 0% | 22% | 48° |
| 14:00 | ✓ | 0% | 24135m | 0% | 22% | 37° |
| 15:00 | ✓ | 0% | 24135m | 0% | 22% | 27° |
| 16:00 | ✓ | 0% | 24135m | 0% | 22% | 17° |
| 17:00 | ✓ | 0.1% | 24134m | 0% | 22% | 7.2° |
| 18:00 | ✓ | 0.7% | 24134m | 0% | 22% | -1.6° |
| 19:00 | ✓ | 1.4% | 24135m | 0% | 22% | -9.3° |
| 20:00 | ✓ | 0% | 24134m | 0% | 22% | -15° |
| 21:00 | ✓ | 0% | 24135m | 0% | 22% | -20° |
| 22:00 | ✓ | 0% | 24135m | 0% | 22% | -21° |
| 23:00 | ✓ | 0% | 24134m | 0% | 22% | -21° |
| Sun, Mar 15 | ||||||
| 24:00 | ✓ | 0% | 24135m | 0% | 22% | -18° |
| 01:00 | ✓ | 5% | 24134m | 0% | 22% | -12° |
| 02:00 | ✓ | 4.5% | 24135m | 0% | 22% | -5.2° |
| 03:00 | ✓ | 0.4% | 24135m | 0% | 22% | 3.1° |
| 04:00 | ✓ | 0% | 24135m | 0% | 22% | 12° |
| 05:00 | ✓ | 3.3% | 24134m | 0% | 22% | 22° |
| 06:00 | ✓ | 1.7% | 24135m | 0% | 22% | 32° |
| 07:00 | ✓ | 0.3% | 24134m | 0% | 22% | 43° |
| 08:00 | ✓ | 5% | 24134m | 0% | 22% | 53° |
| 09:00 | ✓ | 2.1% | 24135m | 0% | 22% | 61° |
| 10:00 | ✓ | 1.6% | 24135m | 0% | 22% | 67° |
| 11:00 | ✓ | 0.2% | 24134m | 0% | 22% | 68° |
| 12:00 | ✓ | 0.5% | 24135m | 0% | 22% | 62° |
| 13:00 | ✓ | 5% | 24134m | 0% | 14% | 54° |
| 14:00 | ✓ | 5% | 24135m | 0% | 14% | 44° |
| 15:00 | ✓ | 5% | 24135m | 0% | 14% | 33° |
| 16:00 | ✓ | 5% | 24135m | 0% | 14% | 23° |
| 17:00 | ✓ | 5% | 24134m | 0% | 14% | 13° |
| 18:00 | ✓ | 5% | 24135m | 0% | 14% | 2.9° |
| 19:00 | ✓ | 4.8% | 24135m | 0% | 14% | -6° |
| 20:00 | ✓ | 4.8% | 24135m | 0% | 14% | -14° |
| 21:00 | ✓ | 4.7% | 24135m | 0% | 14% | -20° |
| 22:00 | ✓ | 4.7% | 24135m | 0% | 14% | -24° |
| 23:00 | ✓ | 3.1% | 24135m | 0% | 14% | -25° |
| Mon, Mar 16 | ||||||
| 24:00 | ✓ | 1.6% | 24135m | 0% | 14% | -24° |
| 01:00 | ✓ | 0% | 24135m | 0% | 14% | -21° |
| 02:00 | ✓ | 0% | 24135m | 0% | 14% | -15° |
| 03:00 | ✓ | 0% | 24135m | 0% | 14% | -7.1° |
| 04:00 | ✓ | 0% | 24135m | 0% | 14% | 1.7° |
| 05:00 | ✓ | 0% | 24135m | 0% | 14% | 11° |
| 06:00 | ✓ | 0% | 24135m | 0% | 14% | 21° |
| 07:00 | ✓ | 0% | 24135m | 0% | 14% | 32° |
| 08:00 | ✓ | 0.5% | 24135m | 0% | 14% | 42° |
| 09:00 | ✓ | 1% | 24135m | 0% | 14% | 51° |
| 10:00 | ✓ | 1.5% | 24135m | 0% | 14% | 59° |
| 11:00 | ✓ | 20% | 24135m | 0% | 14% | 63° |
| 12:00 | ✓ | 38% | 24135m | 0% | 14% | 62° |
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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