| Night Time: | 9 hours, 30 minutes |
|---|---|
| Sunset: | Aug 21 at 8:40 pm |
| End of Twilight*: | Aug 21 at 10:11 pm |
| Start of Twilight*: | Aug 22 at 4:39 am |
| Sunrise: | Aug 22 at 6:10 am |
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 Flensburg. 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 Flensburg, Aug 21 – Aug 22, 2025
Mercury rise and set in Flensburg
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.
Fri, Aug 22 ↑4:20 am
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Venus rise and set in Flensburg
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.
Fri, Aug 22 ↑2:55 am
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Mars rise and set in Flensburg
Try after sunset.
Mars sets shortly after sunset, so it is very close to the horizon. This makes it very difficult to observe.
Thu, Aug 21 ↓9:40 pm
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Jupiter rise and set in Flensburg
View before sunrise.
Jupiter can best be seen in the hours just before sunrise. Visibility deteriorates as the sky gets brighter.
Fri, Aug 22 ↑2:00 am
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Saturn rise and set in Flensburg
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.
Thu, Aug 21 ↑9:34 pm
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Uranus rise and set in Flensburg
View in the early morning. Bring binoculars.
Uranus can be seen for more than 7 hours during the late night/early morning and until sunrise. You may need binoculars.
Thu, Aug 21 ↑11:06 pm
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Neptune rise and set in Flensburg
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.
Thu, Aug 21 ↑9:28 pm
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Planets Visible in Flensburg
| Planetrise/Planetset, Thu, Aug 21, 2025 | ||||
|---|---|---|---|---|
| Planet | Rise | Set | Meridian | Comment |
| Mercury | Fri 4:20 am | Fri 8:02 pm | Fri 12:11 pm | Slightly difficult to see |
| Venus | Fri 2:55 am | Fri 7:23 pm | Fri 11:10 am | Good visibility |
| Mars | Thu 10:10 am | Thu 9:40 pm | Thu 3:56 pm | Difficult to see |
| Jupiter | Fri 2:00 am | Fri 6:55 pm | Fri 10:28 am | Fairly good visibility |
| Saturn | Thu 9:34 pm | Fri 9:17 am | Fri 3:26 am | Perfect visibility |
| Uranus | Thu 11:06 pm | Fri 3:25 pm | Fri 7:16 am | Average visibility |
| Neptune | Thu 9:28 pm | Fri 9:27 am | Fri 3:27 am | Difficult to see |
