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
Excellent Dark Skies (pristine)
Mount Cook
Tomorrow · 03:00–06:29 · 3h window
Medium confidence
42%
🌛Moon Altitude-2.9-19.6°
☁️Total Cloud Coverage5.9-7.3%
Pristine Dark Skies (pristine)
Mount Cook
Tomorrow · 19:00–06:29
🌛Moon Altitude:-68.3-10°
Medium
Pristine Dark Skies (pristine)
Mount Cook
Sat, Jul 11 · 19:01–06:28
🌛Moon Altitude:-71.8-0°
Medium
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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° |
|---|---|---|---|---|---|---|
| Wed, Jul 8 | ||||||
| 01:00 | ✓ | 69% | 5584m | 76% | 53% | 2.2° |
| 02:00 | ✓ | 76% | 4312m | 88% | 53% | 12° |
| 03:00 | ✓ | 84% | 3924m | 100% | 53% | 21° |
| 04:00 | ✓ | 95% | 3910m | 100% | 53% | 28° |
| 05:00 | ✓ | 100% | 4005m | 100% | 53% | 34° |
| 06:00 | ✓ | 100% | 589m | 100% | 53% | 36° |
| 07:00 | ✕ | 100% | 95m | 100% | 53% | 36° |
| 08:00 | ✕ | 100% | 30m | 100% | 53% | 32° |
| 09:00 | ✕ | 100% | 23m | 100% | 53% | 26° |
| 10:00 | ✕ | 100% | 23m | 100% | 53% | 18° |
| 11:00 | ✕ | 100% | 33m | 100% | 53% | 9.1° |
| 12:00 | ✕ | 100% | 36m | 100% | 43% | -0.9° |
| 13:00 | ✕ | 100% | 40m | 100% | 43% | -11° |
| 14:00 | ✕ | 100% | 41m | 100% | 43% | -22° |
| 15:00 | ✕ | 100% | 66m | 99% | 43% | -32° |
| 16:00 | ✕ | 99% | 275m | 100% | 43% | -42° |
| 17:00 | ✕ | 99% | 142m | 100% | 43% | -50° |
| 18:00 | ✓ | 100% | 139m | 100% | 43% | -56° |
| 19:00 | ✓ | 100% | 24m | 98% | 43% | -58° |
| 20:00 | ✓ | 100% | 25m | 97% | 43% | -55° |
| 21:00 | ✓ | 100% | 34m | 95% | 43% | -49° |
| 22:00 | ✓ | 100% | 29m | 96% | 43% | -40° |
| 23:00 | ✓ | 100% | 31m | 98% | 43% | -30° |
| Thu, Jul 9 | ||||||
| 24:00 | ✓ | 100% | 34m | 100% | 43% | -20° |
| 01:00 | ✓ | 100% | 50m | 94% | 43% | -10° |
| 02:00 | ✓ | 100% | 51m | 88% | 43% | -0.16° |
| 03:00 | ✓ | 100% | 362m | 82% | 43% | 9.1° |
| 04:00 | ✓ | 100% | 222m | 82% | 43% | 17° |
| 05:00 | ✓ | 100% | 87m | 82% | 43% | 24° |
| 06:00 | ✓ | 100% | 91m | 82% | 43% | 28° |
| 07:00 | ✕ | 99% | 70m | 54% | 43% | 30° |
| 08:00 | ✕ | 100% | 70m | 27% | 43% | 29° |
| 09:00 | ✕ | 100% | 84m | 0% | 43% | 26° |
| 10:00 | ✕ | 99% | 117m | 0% | 43% | 20° |
| 11:00 | ✕ | 95% | 163m | 0% | 43% | 12° |
| 12:00 | ✕ | 66% | 978m | 0% | 32% | 2.9° |
| 13:00 | ✕ | 65% | 5362m | 0% | 32% | -6.9° |
| 14:00 | ✕ | 59% | 4765m | 0% | 32% | -17° |
| 15:00 | ✕ | 78% | 4763m | 0% | 32% | -28° |
| 16:00 | ✕ | 81% | 6011m | 0% | 32% | -38° |
| 17:00 | ✕ | 87% | 19235m | 0% | 32% | -48° |
| 18:00 | ✕ | 93% | 4871m | 0% | 32% | -57° |
| 19:00 | ✓ | 72% | 19012m | 0% | 32% | -62° |
| 20:00 | ✓ | 84% | 14654m | 0% | 32% | -64° |
| 21:00 | ✓ | 75% | 22496m | 0% | 32% | -60° |
| 22:00 | ✓ | 61% | 24134m | 0% | 32% | -52° |
| 23:00 | ✓ | 56% | 24135m | 0% | 32% | -43° |
| Fri, Jul 10 | ||||||
| 24:00 | ✓ | 55% | 24135m | 0% | 32% | -33° |
| 01:00 | ✓ | 41% | 24134m | 0% | 32% | -23° |
| 02:00 | ✓ | 34% | 24135m | 0% | 32% | -12° |
| 03:00 | ✓ | 7.3% | 24135m | 0% | 32% | -2.9° |
| 04:00 | ✓ | 6.2% | 24134m | 0% | 32% | 5.9° |
| 05:00 | ✓ | 6.1% | 24135m | 0% | 32% | 14° |
| 06:00 | ✓ | 5.9% | 24135m | 0% | 32% | 20° |
| 07:00 | ✕ | 5.8% | 24134m | 0% | 32% | 24° |
| 08:00 | ✕ | 5% | 24135m | 0% | 32% | 25° |
| 09:00 | ✕ | 5% | 24135m | 0% | 32% | 24° |
| 10:00 | ✕ | 5% | 24135m | 0% | 32% | 20° |
| 11:00 | ✕ | 5% | 24135m | 0% | 32% | 14° |
| 12:00 | ✕ | 5% | 24135m | 0% | 22% | 6.8° |
| 13:00 | ✕ | 4.7% | 24135m | 0% | 22% | -1.9° |
| 14:00 | ✕ | 4.8% | 24135m | 0% | 22% | -11° |
| 15:00 | ✕ | 4.8% | 24134m | 0% | 22% | -22° |
| 16:00 | ✕ | 4.8% | 24135m | 0% | 22% | -32° |
| 17:00 | ✕ | 4.8% | 24134m | 0% | 22% | -42° |
| 18:00 | ✕ | 5% | 24135m | 0% | 22% | -52° |
| 19:00 | ✓ | 4.2% | 24134m | 0% | 22% | -61° |
| 20:00 | ✓ | 3.1% | 24134m | 0% | 22% | -67° |
| 21:00 | ✓ | 3.1% | 24135m | 0% | 22% | -68° |
| 22:00 | ✓ | 3.1% | 24134m | 0% | 22% | -63° |
| 23:00 | ✓ | 3.1% | 24134m | 0% | 22% | -55° |
| Sat, Jul 11 | ||||||
| 24:00 | ✓ | 3.1% | 24134m | 0% | 22% | -45° |
| 01:00 | ✓ | 3% | 24135m | 0% | 22% | -35° |
| 02:00 | ✓ | 3% | 24134m | 0% | 22% | -25° |
| 03:00 | ✓ | 2.7% | 24134m | 0% | 22% | -15° |
| 04:00 | ✓ | 2.7% | 24135m | 0% | 22% | -5.8° |
| 05:00 | ✓ | 2.7% | 24135m | 0% | 22% | 2.7° |
| 06:00 | ✓ | 1.8% | 24135m | 0% | 22% | 10° |
| 07:00 | ✕ | 2.7% | 24135m | 0% | 22% | 16° |
| 08:00 | ✕ | 3.7% | 24135m | 0% | 22% | 19° |
| 09:00 | ✕ | 4.6% | 24135m | 0% | 22% | 21° |
| 10:00 | ✕ | 3.7% | 24135m | 0% | 22% | 20° |
| 11:00 | ✕ | 2.9% | 24135m | 0% | 22% | 16° |
| 12:00 | ✕ | 2% | 24135m | 0% | 13% | 11° |
| 13:00 | ✕ | 2.9% | 24135m | 0% | 13% | 3.5° |
| 14:00 | ✕ | 3.8% | 24135m | 0% | 13% | -4.8° |
| 15:00 | ✕ | 4.7% | 24135m | 0% | 13% | -14° |
| 16:00 | ✕ | 4.8% | 24135m | 0% | 13% | -24° |
| 17:00 | ✕ | 4.8% | 24135m | 0% | 13% | -34° |
| 18:00 | ✕ | 4.9% | 24135m | 0% | 13% | -45° |
| 19:00 | ✓ | 4.9% | 24135m | 0% | 13% | -55° |
| 20:00 | ✓ | 5% | 24135m | 0% | 13% | -64° |
| 21:00 | ✓ | 5% | 24135m | 0% | 13% | -71° |
| 22:00 | ✓ | 5% | 24135m | 0% | 13% | -72° |
| 23:00 | ✓ | 5% | 24135m | 0% | 13% | -66° |
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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