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Night Sky Tonight in Mawson, Antarctica (Mawson Base, Holme Bay)

Moon: 91.1%
Waning Gibbous
Night Time: 13 hours, 12 minutes
Sunset: Sep 10 at 6:08 pm
End of Twilight*: Sep 10 at 8:06 pm
Start of Twilight*: Sep 11 at 5:22 am
Sunrise: Sep 11 at 7:20 am

*Nautical twilight

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.

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Our Interactive Night Sky Map simulates the sky above Mawson. 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?

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Tonight's Sky in Mawson, Sep 10 – Sep 11, 2025

Mercury rise and set in Mawson

Very close to Sun, hard or impossible to see.

Mercury is just 3 degrees from the Sun in the sky, so it is difficult or impossible to see it.

Sep 10, 2025
Sep 11, 2025

Mercury

Time:

Altitude: °

Direction: °

Venus rise and set in Mawson

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.

Sep 10, 2025
Sep 11, 2025

Venus

Time:

Altitude: °

Direction: °

Mars rise and set in Mawson

View after sunset.

Mars can best be seen in the hours just after sunset. Visibility improves as the sunlight fades.

Wed, Sep 10 ↓10:23 pm
Thu, Sep 11 ↑7:17 am

Sep 10, 2025
Sep 11, 2025

Mars

Time:

Altitude: °

Direction: °

Jupiter rise and set in Mawson

Try at night.

Can only be seen shortly, if at all, it is very close to the horizon.

Sep 10, 2025
Sep 11, 2025

Jupiter

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Altitude: °

Direction: °

Saturn rise and set in Mawson

Up most of the night.

Saturn is roughly in the opposite direction of the Sun, so it is visible during most of the night.

Wed, Sep 10 ↑6:59 pm

Sep 10, 2025
Sep 11, 2025

Saturn

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Altitude: °

Direction: °

Uranus rise and set in Mawson

View before sunrise. Bring binoculars.

Uranus can be seen for more than 3 hours before sunrise. 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.

Thu, Sep 11 ↑3:25 am

Sep 10, 2025
Sep 11, 2025

Uranus

Time:

Altitude: °

Direction: °

Neptune rise and set in Mawson

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.

Wed, Sep 10 ↑7:21 pm

Sep 10, 2025
Sep 11, 2025

Neptune

Time:

Altitude: °

Direction: °

Planets Visible in Mawson

  Planetrise/Planetset, Wed, Sep 10, 2025
Planet Rise Set Meridian Comment
Mercury Thu 7:42 am Thu 5:42 pm Thu 12:40 pm Extremely difficult to see
Venus Thu 7:36 am Thu 2:18 pm Thu 10:56 am Slightly difficult to see
Mars Wed 7:21 am Wed 10:23 pm Wed 2:51 pm Average visibility
Jupiter Thu 7:40 am Thu 10:03 am Thu 8:51 am Slightly difficult to see
Saturn Wed 6:59 pm Thu 7:59 am Thu 1:29 am Perfect visibility
Uranus Thu 3:25 am Thu 7:23 am Thu 5:24 am Extremely difficult to see
Neptune Wed 7:21 pm Thu 7:47 am Thu 1:34 am Slightly difficult to see