Barred spiral galaxy · Centaurus
NGC 4945
Also known as: C83
mag 9.323′ across
About
NGC 4945 is a barred spiral galaxy of magnitude 9.3 in Centaurus, about 23′ across.
How to find it
- NGC 4945 is in the constellation Centaurus.
- Best evenings: around late May it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
- Where on Earth: it is seen well, at least 10° up, from south of 31° N.
When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.
What you will see
- EyesNot visible to the naked eye.
- Binoculars (10×50)A faint streak of light, only from a dark site.
- Telescope (6–8 inch)A thin spindle of light, sometimes with a dark dust lane along it.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 4945, C83, PGC 45279 |
|---|---|
| Type | Barred spiral galaxy (SBc) |
| Magnitude | 9.3The smaller the number, the brighter. |
| Apparent size | 23′ × 4′position angle 44°; the full Moon is 31′ across |
| Surface brightness | 23.4 mag/arcsec²Average over its disc, in the blue band: the lower the number, the easier it is to see. |
| Constellation | Centaurus |
| Right ascension (J2000) | 13h 05m 27.5s |
| Declination (J2000) | −49° 28′ 06″ |
More in Centaurus
NGC 5139Omega CentauriGlobular cluster · mag 3.9
IC 2944Running Chicken NebulaCluster with nebula · mag 4.5
NGC 3766Pearl ClusterOpen cluster · mag 5.3
NGC 5128Centaurus AGalaxy · mag 7.2
NGC 5286Globular clustermag 7.3
NGC 5662Gypsy Moth ClusterOpen cluster · mag 5.5
NGC 5281Little Scorpion ClusterOpen cluster · mag 5.9
NGC 5617Dracula ClusterOpen cluster · mag 6.3Sources and credits
Catalog data: OpenNGC by Mattia Verga, CC BY-SA 4.0, and d3-celestial by Olaf Frohn, BSD 3-Clause. All data sources →