| Night Time: | All day |
|---|---|
| Sunset: | None |
| End of Twilight*: | None |
| Start of Twilight*: | None |
| Sunrise: | None |
⚠ Alert has polar night
Comet Watch: Latest News as 3I/ATLAS Nears Earth
Interstellar comet 3I/ATLAS reaches its closest point to Earth on December 19. We caught up with the team at the Institute of Astrophysics in Santiago, Chile.
Our Interactive Night Sky Map simulates the sky above Alert. The Moon and planets have been enlarged slightly for clarity. On mobile devices, tap to steer the map by pointing your device at the sky. Need some help?
Tonight's Sky in Alert, Dec 11 – Dec 12, 2025
Jupiter rise and set in Alert
Up all night.
Jupiter is up all of the polar night.
Time:
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Direction: °
Saturn rise and set in Alert
Up some of the night.
Saturn is visible more than 8 hours during the polar night. It is very close to the horizon, making it fainter because the light has to cover a larger distance when traveling through the Earth's atmosphere. Make sure to get an unobstructed view with as little light pollution as possible.
Thu, Dec 11 ↑1:21 pm
Thu, Dec 11 ↓9:43 pm
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Altitude: °
Direction: °
Uranus rise and set in Alert
Up all night. Bring binoculars.
Uranus is up all of the polar night. You may need binoculars.
Time:
Altitude: °
Direction: °
Neptune rise and set in Alert
Up some of the night. Use binoculars.
Neptune is visible more than 11 hours during the polar night. It is quite close to the horizon, making it fainter because the light has to cover a larger distance when traveling through the Earth's atmosphere. Make sure to get an unobstructed view. Very faint, use binoculars.
Thu, Dec 11 ↑12:14 pm
Thu, Dec 11 ↓11:16 pm
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Planets Visible in Alert
| Planetrise/Planetset, Thu, Dec 11, 2025 | ||||
|---|---|---|---|---|
| Planet | Rise | Set | Meridian | Comment |
| Mercury | Down all day | Thu 9:36 am | Down all night, not visible | |
| Venus | Down all day | Thu 10:35 am | Down all night, not visible | |
| Mars | Down all day | Thu 11:34 am | Down all night, not visible | |
| Jupiter | Up all day | Thu 1:30 am | Perfect visibility | |
| Saturn | Thu 1:21 pm | Thu 9:43 pm | Thu 5:32 pm | Difficult to see |
| Uranus | Up all day | Thu 9:30 pm | Fairly good visibility | |
| Neptune | Thu 12:14 pm | Thu 11:16 pm | Thu 5:45 pm | Very difficult to see |
