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
Pristine Dark Skies (pristine)
Mount Cook
Tomorrow · 04:00–06:00 · 2h window
Medium confidence
54%
🌛Moon Altitude-60.2--50.8°
☁️Total Cloud Coverage1.4-9.5%
Excellent Dark Skies (pristine)
Mount Cook
Tomorrow · 16:00–17:00
🌛Moon Altitude:7.8°
Medium
Pristine Dark Skies (pristine)
Mount Cook
Tomorrow · 23:00–06:00
🌛Moon Altitude:-53.1-4.5°
Medium
Pristine Dark Skies (pristine) at Sunrise
Mount Cook
Wed, Feb 25 · 06:00–08:00
🌛Moon Altitude:-70.3--62.7°
Medium
Pristine Dark Skies (pristine)
Mount Cook
Wed, Feb 25 · 08:00–12:00
🌛Moon Altitude:-72.8--49.9°
Medium
Pristine Dark Skies (pristine)
Mount Cook
Sat, Feb 28 · 02:00–05:00
🌛Moon Altitude:-11.4-5.3°
Low
Good Dark Skies
Mount Cook
Sun, Mar 1 · 16:00–17:00
🌛Moon Altitude:-35°
Medium
+4 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° |
|---|---|---|---|---|---|---|
| Sun, Feb 22 | ||||||
| 08:00 | ✓ | 3.1% | 24135m | 0% | 18% | -43° |
| 09:00 | ✓ | 1.9% | 24134m | 0% | 18% | -33° |
| 10:00 | ✓ | 1.1% | 24135m | 0% | 18% | -23° |
| 11:00 | ✓ | 0.8% | 24135m | 0% | 18% | -13° |
| 12:00 | ✓ | 0.1% | 24135m | 0% | 18% | -3° |
| 13:00 | ✕ | 4.9% | 24135m | 0% | 28% | 6.3° |
| 14:00 | ✕ | 84% | 24135m | 0% | 28% | 15° |
| 15:00 | ✕ | 23% | 24134m | 0% | 28% | 22° |
| 16:00 | ✕ | 100% | 24135m | 0% | 28% | 27° |
| 17:00 | ✕ | 100% | 24134m | 0% | 28% | 29° |
| 18:00 | ✕ | 100% | 24135m | 0% | 28% | 29° |
| 19:00 | ✕ | 100% | 24134m | 0% | 28% | 26° |
| 20:00 | ✕ | 98% | 24134m | 0% | 28% | 20° |
| 21:00 | ✕ | 39% | 24134m | 0% | 28% | 13° |
| 22:00 | ✓ | 5.6% | 24135m | 0% | 28% | 4.1° |
| 23:00 | ✓ | 0% | 24135m | 0% | 28% | -5.5° |
| Mon, Feb 23 | ||||||
| 24:00 | ✓ | 0% | 24135m | 0% | 28% | -16° |
| 01:00 | ✓ | 5.7% | 24134m | 0% | 28% | -26° |
| 02:00 | ✓ | 5% | 24135m | 0% | 28% | -37° |
| 03:00 | ✓ | 2.2% | 24135m | 0% | 28% | -47° |
| 04:00 | ✓ | 19% | 24135m | 0% | 28% | -56° |
| 05:00 | ✓ | 0% | 24135m | 0% | 28% | -63° |
| 06:00 | ✓ | 5% | 24135m | 0% | 28% | -65° |
| 07:00 | ✓ | 58% | 24135m | 0% | 28% | -62° |
| 08:00 | ✓ | 48% | 24134m | 0% | 28% | -55° |
| 09:00 | ✓ | 34% | 24134m | 0% | 28% | -46° |
| 10:00 | ✓ | 100% | 24135m | 0% | 28% | -36° |
| 11:00 | ✓ | 100% | 24135m | 0% | 28% | -26° |
| 12:00 | ✓ | 100% | 24135m | 0% | 28% | -15° |
| 13:00 | ✓ | 44% | 24135m | 0% | 38% | -5.8° |
| 14:00 | ✓ | 99% | 24135m | 0% | 38% | 3.2° |
| 15:00 | ✓ | 100% | 24135m | 0% | 38% | 11° |
| 16:00 | ✓ | 100% | 24135m | 0% | 38% | 17° |
| 17:00 | ✓ | 100% | 24134m | 13% | 38% | 22° |
| 18:00 | ✓ | 100% | 24135m | 26% | 38% | 24° |
| 19:00 | ✓ | 100% | 24134m | 39% | 38% | 23° |
| 20:00 | ✓ | 100% | 24135m | 37% | 38% | 20° |
| 21:00 | ✓ | 100% | 24134m | 35% | 38% | 15° |
| 22:00 | ✓ | 100% | 24135m | 33% | 38% | 7.8° |
| 23:00 | ✓ | 100% | 24134m | 40% | 38% | -0.61° |
| Tue, Feb 24 | ||||||
| 24:00 | ✓ | 99% | 24134m | 48% | 38% | -9.9° |
| 01:00 | ✓ | 87% | 24135m | 56% | 38% | -20° |
| 02:00 | ✓ | 26% | 24134m | 37% | 38% | -30° |
| 03:00 | ✓ | 0.3% | 24135m | 19% | 38% | -41° |
| 04:00 | ✓ | 1.4% | 24135m | 0% | 38% | -51° |
| 05:00 | ✓ | 9.5% | 24134m | 0% | 38% | -60° |
| 06:00 | ✓ | 21% | 24134m | 0% | 38% | -67° |
| 07:00 | ✓ | 27% | 24134m | 0% | 38% | -70° |
| 08:00 | ✓ | 38% | 24135m | 4% | 38% | -66° |
| 09:00 | ✓ | 50% | 24135m | 8% | 38% | -58° |
| 10:00 | ✓ | 51% | 24135m | 12% | 38% | -48° |
| 11:00 | ✓ | 51% | 24135m | 21% | 38% | -38° |
| 12:00 | ✓ | 64% | 24134m | 30% | 38% | -28° |
| 13:00 | ✓ | 55% | 24135m | 39% | 50% | -18° |
| 14:00 | ✓ | 26% | 24134m | 26% | 50% | -8.3° |
| 15:00 | ✓ | 9.9% | 24135m | 13% | 50% | 0.31° |
| 16:00 | ✓ | 9.6% | 24135m | 0% | 50% | 7.8° |
| 17:00 | ✓ | 31% | 24135m | 0% | 50% | 14° |
| 18:00 | ✓ | 100% | 24135m | 0% | 50% | 18° |
| 19:00 | ✓ | 47% | 24135m | 0% | 50% | 20° |
| 20:00 | ✓ | 5% | 24134m | 0% | 50% | 19° |
| 21:00 | ✓ | 5% | 24134m | 0% | 50% | 16° |
| 22:00 | ✓ | 5% | 24135m | 0% | 50% | 11° |
| 23:00 | ✓ | 0% | 24135m | 0% | 50% | 4.5° |
| Wed, Feb 25 | ||||||
| 24:00 | ✓ | 0% | 24134m | 0% | 50% | -3.6° |
| 01:00 | ✓ | 0% | 24135m | 0% | 50% | -13° |
| 02:00 | ✓ | 0% | 24134m | 0% | 50% | -22° |
| 03:00 | ✓ | 0% | 24135m | 0% | 50% | -33° |
| 04:00 | ✓ | 5% | 24135m | 0% | 50% | -43° |
| 05:00 | ✓ | 2.8% | 24134m | 0% | 50% | -53° |
| 06:00 | ✓ | 5% | 24135m | 0% | 50% | -63° |
| 07:00 | ✓ | 2.8% | 24135m | 0% | 50% | -70° |
| 08:00 | ✓ | 1.2% | 24134m | 0% | 50% | -73° |
| 09:00 | ✓ | 5.1% | 24134m | 0% | 50% | -68° |
| 10:00 | ✓ | 8% | 24134m | 0% | 50% | -60° |
| 11:00 | ✓ | 14% | 24134m | 0% | 50% | -50° |
| 12:00 | ✓ | 28% | 24134m | 0% | 50% | -40° |
| 13:00 | ✓ | 100% | 24135m | 0% | 61% | -30° |
| 14:00 | ✓ | 100% | 24135m | 0% | 61% | -20° |
| 15:00 | ✓ | 100% | 24135m | 0% | 61% | -10° |
| 16:00 | ✓ | 100% | 24135m | 0% | 61% | -1.8° |
| 17:00 | ✓ | 100% | 24135m | 0% | 61% | 5.6° |
| 18:00 | ✓ | 100% | 24135m | 0% | 61% | 12° |
| 19:00 | ✓ | 100% | 24135m | 0% | 61% | 16° |
| 20:00 | ✓ | 100% | 24135m | 13% | 61% | 18° |
| 21:00 | ✓ | 100% | 24135m | 26% | 61% | 17° |
| 22:00 | ✓ | 100% | 24135m | 39% | 61% | 14° |
| 23:00 | ✓ | 100% | 24135m | 41% | 61% | 9.6° |
| Thu, Feb 26 | ||||||
| 24:00 | ✓ | 100% | 24135m | 43% | 61% | 3.1° |
| 01:00 | ✓ | 100% | 24135m | 46% | 61% | -4.8° |
| 02:00 | ✓ | 100% | 24135m | 55% | 61% | -14° |
| 03:00 | ✓ | 100% | 24135m | 65% | 61% | -23° |
| 04:00 | ✓ | 100% | 24135m | 75% | 61% | -33° |
| 05:00 | ✓ | 100% | 24135m | 76% | 61% | -43° |
| 06:00 | ✓ | 100% | 24135m | 77% | 61% | -54° |
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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