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 Punta Arenas. 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 Punta Arenas, Dec 18 – Dec 19, 2025
Mercury rise and set in Punta Arenas
Fairly close to the Sun. Visible only before sunrise and/or after sunset.
Mercury is just 18 degrees from the Sun in the sky, so it is difficult to see.
Fri, Dec 19 ↑4:16 am
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Venus rise and set in Punta Arenas
Fairly close to the Sun. Visible only before sunrise and/or after sunset.
Venus is just 5 degrees from the Sun in the sky, so it is difficult to see. Venus is visible by day, but may be hard to find.
Fri, Dec 19 ↑4:56 am
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Mars rise and set in Punta Arenas
Very close to Sun, hard or impossible to see.
Mars is just 6 degrees from the Sun in the sky, so it is difficult or impossible to see it.
Thu, Dec 18 ↓10:37 pm
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Jupiter rise and set in Punta Arenas
Most of the night until sunrise.
Jupiter is visible during most of the night, but it is best viewed in the early morning hours and until sunrise.
Thu, Dec 18 ↑11:34 pm
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Saturn rise and set in Punta Arenas
View after sunset.
Saturn can be seen for more than 3 hours after sunset.
Fri, Dec 19 ↓2:03 am
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Uranus rise and set in Punta Arenas
After sunset and most of the night. Bring binoculars.
Uranus is visible during most of the night, but it is best viewed in the late evening hours after sunset. You may need binoculars.
Fri, Dec 19 ↓3:46 am
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Neptune rise and set in Punta Arenas
View after sunset. Use binoculars.
Neptune can be seen for more than 3 hours after sunset. Very faint, use binoculars.
Fri, Dec 19 ↓2:02 am
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Planets Visible in Punta Arenas
| Planetrise/Planetset, Fri, Dec 19, 2025 | ||||
|---|---|---|---|---|
| Planet | Rise | Set | Meridian | Comment |
| Mercury | Fri 4:16 am | Fri 8:34 pm | Fri 12:24 pm | Slightly difficult to see |
| Venus | Fri 4:56 am | Fri 9:48 pm | Fri 1:22 pm | Slightly difficult to see |
| Mars | Thu 5:32 am | Thu 10:37 pm | Thu 2:04 pm | Extremely difficult to see |
| Jupiter | Thu 11:34 pm | Fri 7:26 am | Fri 3:30 am | Perfect visibility |
| Saturn | Thu 1:16 pm | Fri 2:03 am | Thu 7:39 pm | Fairly good visibility |
| Uranus | Thu 7:26 pm | Fri 3:46 am | Thu 11:36 pm | Average visibility |
| Neptune | Thu 1:41 pm | Fri 2:02 am | Thu 7:52 pm | Difficult to see |