H 3 27 Position and Visibility Tonight
Where is H 3 27 right now?
H 3 27 is located in the constellation Puppis. It is currently above the horizon at an altitude of 47° toward the south-east, with an apparent magnitude of 4.40.
H 3 27 visibility on 2026-10-27
H 3 27 Visible from early morning until sunrise
H 3 27 rise and set timetable
| Time | Elevation | |
Moonrise, 98.9% illuminated  | 19:51 | -56° |
| Astronomical observing session begins | 20:01 | -55° |
| H 3 27 rise | 00:22 | |
| Astronomical observing session ends | 05:35 | 60° |
| Twilight end (−12°) | 06:00 | 62° |
| H 3 27 transit | 06:18 | 62° |
| Civil sunrise | 06:25 | 62° |
| Sunrise | 06:47 | 61° |
| Moonset | 08:26 | 48° |
| H 3 27 set | 12:14 |
Track H 3 27 position throughout the night
← 27 October 2026 →
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Shift the map to change the time and observe H 3 27 changing position in the night sky.
Star system description: H 3 27
A double or multiple star system in Puppis.
Pair AB has a measured separation of 9.9″; a telescope may be needed to split it.
The diagram uses the latest WDS measurements; north is up and east is right. Measurements may be from different years. Unconnected groups are arranged separately; close pairs may merge, and pairs without reliable geometry are omitted.
Technical details: H 3 27
| Property | Value |
|---|---|
| System identifier | WDS 07388-2648 |
| Bayer / Flamsteed designation | |
| Constellation | Puppis |
| System type | multiple star system |
| Right ascension (RA) | 07h 38m 49s" |
| Declination (Dec) | -26° 48' 14s |
| Component | AB |
| Primary magnitude | 4.40 |
| Secondary magnitude | 4.62 |
| Separation (arcseconds) | 9.9″ |
| Position angle | 318° |
| Discovery year | 1800 |
| Last observed | 2016 |
| Spectral type (primary/secondary) | B6V+B6V |
| Number of observations | 44 |
3 components are identified in WDS; this is not a count of resolved stars.
Components of H 3 27
Each row is a separate WDS component pair. Measurements may come from different years.
| Component | Primary magnitude | Secondary magnitude | Separation (arcseconds) | Position angle | Last observed |
|---|---|---|---|---|---|
| AB | 4.40 | 4.62 | 9.9″ | 318° | 2016 |
| BC | 4.62 | 13.70 | 7.7″ | 209° | 2015 |
Notes
- U: Proper motion indicates a non-physical pair.
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for H 3 27
H 3 27 Passage Through Night
Double-click to unlock the map.
Current position of H 3 27
| Time | 04:01 |
| Latitude | 1.35208 |
| Longitude | 103.82 |
| Elevation | 47° |
| Azimuth | 133° |
Here you can see the current position of H 3 27 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 H 3 27 Visible Throughout the Year?
H 3 27 will remain visible until May 30, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Wed, 28 October 2026 |
| Astronomical observing session begins | 19:55 |
| Astronomical observing session ends | 05:28 |
| Astronomical observing duration | 10h 33m |
| Rise | 00:18 |
| Set | 12:10 |
| Elevation at transit | 62° |
| Transit time | 06:14 |
| Equatorial coordinates | RA: 07h 38m 49s", Dec: -26° 48' 14s |
| Magnitude | 4 |
| Constellation | Puppis |
The graph illustrates the annual visibility pattern of H 3 27, 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 H 3 27 is visible throughout the year in a table with exact rise, transit, and set times for each date.
You can also see when H 3 27 is visible throughout the year in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of H 3 27
Coordinates and Visibility
| Right Ascension | 07h 38m 50s |
| Declination | -26° 48′ 14″ |
| Magnitude | 4.4 |
| Constellation | Puppis |
| Elevation | 46.6° |
| Azimuth | 132.9° |