| Night Time: | All day |
|---|---|
| Sunset: | None |
| End of Twilight*: | None |
| Start of Twilight*: | None |
| Sunrise: | None |
⚠ Alert has polar night
Jan 2025: See the Planets (And a Comet?)
- Venus, Mars, Jupiter, and Saturn are on display—read more about the planets this month.
- C/2024 G3 (ATLAS) might be the best comet of 2025 for observers in the Southern Hemisphere.
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, 1月8日 (水) – 2025年1月9日 (木)
Mars rise and set in Alert
Up all night.
Mars is up all of the polar night.
Time:
Altitude: °
Direction: °
Jupiter rise and set in Alert
Up all night.
Jupiter is up all of the polar night.
Time:
Altitude: °
Direction: °
Saturn rise and set in Alert
Up some of the night.
Saturn is visible more than 2 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.
1月8日 (水) ↑13時48分
1月8日 (水) ↓16時18分
Time:
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 10 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.
1月8日 (水) ↓20時56分
1月9日 (木) ↑10時33分
Time:
Altitude: °
Direction: °
Planets Visible in Alert
| Planetrise/Planetset, 2025年1月9日木曜日 | ||||
|---|---|---|---|---|
| Planet | Rise | Set | Meridian | Comment |
| Mercury | Down all day | 水曜日 9時56分 | Down all night, not visible | |
| Venus | Down all day | 水曜日 14時26分 | Down all night, not visible | |
| Mars | Up all day | 水曜日 0時06分 | Perfect visibility | |
| Jupiter | Up all day | 水曜日 20時38分 | Perfect visibility | |
| Saturn | 水曜日 13時48分 | 水曜日 16時18分 | 水曜日 15時03分 | Extremely difficult to see |
| Uranus | Up all day | 水曜日 19時18分 | Average visibility | |
| Neptune | 水曜日 10時38分 | 水曜日 20時56分 | 水曜日 15時47分 | Very difficult to see |
