IC3557 Position and Visibility Tonight
Where is IC3557 right now?
IC3557 is located in the constellation Coma Berenices. Although IC3557 is currently 60° above the horizon, it is not visible because it is daytime.
Twilight begins at 18:26 local time. At that moment, IC3557 will be 12° above the horizon toward the north-west.
Twilight begins at 18:26 local time. At that moment, IC3557 will be 12° above the horizon toward the north-west.
IC3557 visibility on 2026-09-07
IC3557 Visible from sunset until early morning
IC3557 rise and set timetable
| Time | Elevation | |
| IC3557 transit | 12:39 | 69° |
| Moonset | 14:56 | 53° |
| Sunset | 17:27 | 24° |
| Civil sunset | 17:55 | 19° |
| Twilight start | 18:26 | 12° |
| Astronomical observing session begins | 18:58 | 6° |
| IC3557 set | 19:31 | |
Moonrise, 21% illuminated  | 23:21 | -33° |
| Astronomical observing session ends | 03:13 | -25° |
| IC3557 rise | 05:44 |
Track IC3557 Position Throughout the Night
← 7 September 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe IC3557 changing position in the night sky.
Finder Chart for IC3557
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| Object name | IC3557 |
| Field of view | |
| Limiting magnitude | |
| IC3557 coordinates | 12.60227, 16.64086 |
| Center coordinates | 12.60227, 16.64086 |
IC3557 Passage Through Night
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Current position of IC3557
| Time | 14:19 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 60° |
| Azimuth | 233° |
Here you can see the current position of IC3557 on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.
When Is IC3557 Visible Throughout the Year?
IC3557 will become visible again around November 3 after moving far enough from the Sun.
| Date | Mon, 7 September 2026 |
| Twilight start | 18:54 |
| Twilight end | 03:07 |
| Twilight duration | 8h 13m |
| Rise | 05:44 |
| Set | 19:27 |
| Elevation at transit | 69° |
| Transit time | 12:36 |
| Equatorial coordinates | RA: 12h 36m 08s", Dec: 16° 38' 27s |
| Magnitude | - |
| Constellation | Coma Berenices |
The graph illustrates the annual visibility pattern of IC3557, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
You can also see when IC3557 is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when IC3557 is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of IC3557
Coordinates and Visibility
| Right Ascension | 12h 36m 08s |
| Declination | 16° 38′ 27″ |
| Magnitude | |
| Constellation | Coma Berenices |
| Elevation | 59.8° |
| Azimuth | 233.4° |
Data Credits
The deep-sky information on this page comes from the OpenNGC project developed by Matteo Verga. OpenNGC provides detailed catalog data for nebulae, galaxies, clusters and other deep-sky objects.
For details or contributions, visit the official repository: OpenNGC GitHub.