Sirius and the Dog Days of Summer
As the Northern Hemisphere summer nears its close, skywatchers can glimpse Sirius, a star with an ancient connection to the hottest part of summer, rising before the Sun.
Our Interactive Night Sky Map simulates the sky above Trenton. 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?

Currently showing previous night. For planet visibility in the coming night, please check again after 12 noon.
Tonight's Sky in Trenton, Aug 20 – Aug 21, 2025
Mercury rise and set in Trenton
Fairly close to the Sun. Visible only before sunrise and/or after sunset.
Mercury is just 19 degrees from the Sun in the sky, so it is difficult to see.
Thu, Aug 21 ↑4:41 am
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Venus rise and set in Trenton
View before sunrise.
Venus can best be seen in the hours just before sunrise. Visibility deteriorates as the sky gets brighter. Venus is visible by day, but may be hard to find.
Thu, Aug 21 ↑3:27 am
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Mars rise and set in Trenton
View after sunset.
Mars can best be seen in the hours just after sunset. Visibility improves as the sunlight fades.
Wed, Aug 20 ↓9:25 pm
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Jupiter rise and set in Trenton
View before sunrise.
Jupiter can best be seen in the hours just before sunrise. Visibility deteriorates as the sky gets brighter.
Thu, Aug 21 ↑2:43 am
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Saturn rise and set in Trenton
Most of the night until sunrise.
Saturn is visible during most of the night, but it is best viewed in the early morning hours and until sunrise.
Wed, Aug 20 ↑9:10 pm
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Uranus rise and set in Trenton
View in the early morning. Bring binoculars.
Uranus can be seen for more than 6 hours during the late night/early morning and until sunrise. You may need binoculars.
Wed, Aug 20 ↑11:41 pm
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Neptune rise and set in Trenton
Most of the night until sunrise. Use binoculars.
Neptune is visible during most of the night, but it is best viewed in the early morning hours and until sunrise. Very faint, use binoculars.
Wed, Aug 20 ↑9:07 pm
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Planets Visible in Trenton
Planetrise/Planetset, Thu, Aug 21, 2025 | ||||
---|---|---|---|---|
Planet | Rise | Set | Meridian | Comment |
Mercury | Thu 4:41 am | Thu 6:52 pm | Thu 11:47 am | Slightly difficult to see |
Venus | Thu 3:27 am | Thu 6:04 pm | Thu 10:45 am | Good visibility |
Mars | Wed 9:41 am | Wed 9:25 pm | Wed 3:34 pm | Average visibility |
Jupiter | Thu 2:43 am | Thu 5:31 pm | Thu 10:07 am | Fairly good visibility |
Saturn | Wed 9:10 pm | Thu 9:01 am | Thu 3:06 am | Perfect visibility |
Uranus | Wed 11:41 pm | Thu 2:10 pm | Thu 6:56 am | Average visibility |
Neptune | Wed 9:07 pm | Thu 9:07 am | Thu 3:07 am | Difficult to see |