| Night Time: | 13 hours, 19 minutes |
|---|---|
| Sunset: | Sep 9 at 6:44 pm |
| End of Twilight*: | Sep 9 at 8:46 pm |
| Start of Twilight*: | Sep 10 at 6:02 am |
| Sunrise: | Sep 10 at 8:03 am |
Skywatching in September
One of this month’s highlights is a grouping of Venus, a wafer-thin Crescent Moon, and the bright star Regulus around September 19.
Our Interactive Night Sky Map simulates the sky above San Martín Base. 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 San Martín Base, Sep 9 – Sep 10, 2025
Mercury rise and set in San Martín Base
Very close to Sun, hard or impossible to see.
Mercury is just 4 degrees from the Sun in the sky, so it is difficult or impossible to see it.
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Venus rise and set in San Martín Base
Try at night.
Can only be seen shortly, if at all, it is very close to the horizon. Venus is visible by day, but may be hard to find.
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Mars rise and set in San Martín Base
View after sunset.
Mars can best be seen in the hours just after sunset. Visibility improves as the sunlight fades.
Tue, Sep 9 ↓11:04 pm
Wed, Sep 10 ↑7:57 am
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Jupiter rise and set in San Martín Base
Try at night.
Can only be seen shortly, if at all, it is very close to the horizon.
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Saturn rise and set in San Martín Base
Up most of the night.
Saturn is roughly in the opposite direction of the Sun, so it is visible during most of the night.
Tue, Sep 9 ↑7:41 pm
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Uranus rise and set in San Martín Base
View in the night Bring binoculars.
Uranus can be seen for more than 3 hours during the 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. You may need binoculars.
Wed, Sep 10 ↑4:19 am
Wed, Sep 10 ↓7:55 am
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Neptune rise and set in San Martín Base
Up most of the night. Use binoculars.
Neptune is roughly in the opposite direction of the Sun, so it is visible during most of the night. Very faint, use binoculars.
Tue, Sep 9 ↑8:03 pm
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Planets Visible in San Martín Base
| Planetrise/Planetset, Wed, Sep 10, 2025 | ||||
|---|---|---|---|---|
| Planet | Rise | Set | Meridian | Comment |
| Mercury | Wed 8:26 am | Wed 6:13 pm | Wed 1:18 pm | Extremely difficult to see |
| Venus | Wed 8:24 am | Wed 2:49 pm | Wed 11:36 am | Slightly difficult to see |
| Mars | Tue 8:01 am | Tue 11:04 pm | Tue 3:32 pm | Average visibility |
| Jupiter | Wed 8:45 am | Wed 10:21 am | Wed 9:33 am | Slightly difficult to see |
| Saturn | Tue 7:41 pm | Wed 8:42 am | Wed 2:12 am | Perfect visibility |
| Uranus | Wed 4:19 am | Wed 7:55 am | Wed 6:07 am | Extremely difficult to see |
| Neptune | Tue 8:03 pm | Wed 8:29 am | Wed 2:16 am | Slightly difficult to see |
