| Night Time: | 9 hours, 10 minutes |
|---|---|
| Sunset: | 16 May, 20:30 |
| End of Twilight*: | 16 May, 21:47 |
| Start of Twilight*: | 17 May, 04:24 |
| Sunrise: | 17 May, 05:41 |
May 23: Three Solar System Bodies in Alignment
Venus, the Moon, and Saturn will line up in the sky before sunrise.
Our Interactive Night Sky Map simulates the sky above Rochester. 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 Rochester, 16 May – 17 May 2025
Mercury rise and set in Rochester
Fairly close to the Sun. Visible only before sunrise and/or after sunset.
Mercury is just 15 degrees from the Sun in the sky, so it is difficult to see.
17 May Cmt ↑05:10
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Venus rise and set in Rochester
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.
17 May Cmt ↑03:55
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Mars rise and set in Rochester
View after sunset.
Mars can best be seen in the hours just after sunset. Visibility improves as the sunlight fades.
17 May Cmt ↓01:53
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Jupiter rise and set in Rochester
View after sunset.
Jupiter can best be seen in the hours just after sunset. Visibility improves as the sunlight fades.
16 May Cum ↓22:47
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Saturn rise and set in Rochester
View before sunrise.
Saturn can best be seen in the hours just before sunrise. Visibility deteriorates as the sky gets brighter.
17 May Cmt ↑03:34
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Neptune rise and set in Rochester
View before sunrise. Use binoculars.
Neptune can best be seen in the hours just before sunrise. Visibility deteriorates as the sky gets brighter. Very faint, use binoculars.
17 May Cmt ↑03:35
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Planets Visible in Rochester
| Planetrise/Planetset, 17 May 2025 Cmt | ||||
|---|---|---|---|---|
| Planet | Rise | Set | Meridian | Comment |
| Mercury | Cmt 05:10 | Cmt 19:11 | Cmt 12:10 | Slightly difficult to see |
| Venus | Cmt 03:55 | Cmt 16:29 | Cmt 10:12 | Great visibility |
| Mars | Cum 11:16 | Cmt 01:53 | Cum 18:35 | Average visibility |
| Jupiter | Cum 07:27 | Cum 22:47 | Cum 15:07 | Fairly good visibility |
| Saturn | Cmt 03:34 | Cmt 15:22 | Cmt 09:28 | Average visibility |
| Uranus | Cum 05:49 | Cum 20:32 | Cum 13:10 | Very close to Sun, not visible |
| Neptune | Cmt 03:35 | Cmt 15:35 | Cmt 09:35 | Very difficult to see |
