Mercury Observation Details
Mercury Daily Motion
Tonight, observing Mercury may prove challenging owing to its low elevation. It will reach its transit at by 12:21 and set before sunset at 19:22. Rising near twilight's end at 05:20, it will fade away by 05:44, peaking at just 4° above the horizon.Mercury will be visible until September, 3, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.
Mercury Visibility Timetable on August 19
Mercury Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 27.5% illuminated | 02:24 | -26° |
| Mercury transit | 12:21 | 67° |
| Moon Set | 18:32 | 9° |
| Mercury set | 19:22 | |
| Astrosession begin | 22:03 | -24° |
| Astrosession end | 05:07 | -2° |
| Mercury rise | 05:20 | |
| Civil sunrise | 06:19 | 11° |
| Sunrise | 06:49 | 16° |
Track Mercury Position Throughout the Night
← Tue, 19 August 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Mercury changing position in the night sky.
Upcoming Events
| Time | Description | Constellation |
|---|---|---|
| Tue, 19 August 2025 | Greatest Elongation of Mercury | Cancer |
| Thu, 30 October 2025 | Greatest Elongation of Mercury | Scorpius |
| Sun, 9 November 2025 | Retrograde motion of Mercury begins | Scorpius |
| Sat, 29 November 2025 | Retrograde motion of Mercury ends | Libra |
| Mon, 8 December 2025 | Greatest Elongation of Mercury | Libra |
Current position of Mercury in Solar System
| Date | Tue, 19 August 2025 |
| Distance from Earth to Mercury | 0.89511 AU (133,906,550km) |
| Elongation | 19° |
| Angular diameter | 7.5" |
| Magnitude | 0 |
Finder Chart for Mercury
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| Object name | Mercury |
| Field of view | |
| Limiting magnitude | |
| Mercury coordinates | 8.64523, 17.38269 |
| Center coordinates | 8.64523, 17.38269 |
Mercury Passage Through Night
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Current position of Mercury
| Time | 14:57 |
| Latitude | 39.9625 |
| Longitude | -83.0061 |
| Mercury elevation | 49° |
| Mercury Azimuth | 112° |
Here you can see the current position of the Mercury on the map, as well as its positions for rise and set. This tool allows you to track the Mercury's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of Mercury
| Date | Tue, 19 August 2025 |
| Twighlight start | 21:59 |
| Twighlight end | 05:01 |
| Twighlight duration | 7h 2m |
| Rise | 05:18 |
| Set | 19:18 |
| Elevation at transit | 67° |
| Transit time | 12:18 |
| Equatorial coordinates | RA: 08h 39m 32s", Dec: 17° 23' 25s |
| Magnitude | 0 |
| Constellation | Cancer |
The graph illustrates the annual visibility pattern of a Mercury, providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Mercury is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the Mercury is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.