Irregular galaxy · Cetus
IC 1613
Also known as: C51
mag 9.518′ across
About
IC 1613 is an irregular galaxy of magnitude 9.5 in Cetus, about 18′ across.
How to find it
- IC 1613 is in the constellation Cetus.
- Best evenings: around late November 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 north of 78° S.
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)Too faint for binoculars.
- Telescope (6–8 inch)Very hard or out of reach: it needs a dark sky and a larger telescope, or a camera.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | IC 1613, C51, PGC 3844, UGC 668 |
|---|---|
| Type | Irregular galaxy (I) |
| Magnitude | 9.5The smaller the number, the brighter. |
| Apparent size | 18′ × 17′the full Moon is 31′ across |
| Surface brightness | 25.0 mag/arcsec²Average over its disc, in the blue band: the lower the number, the easier it is to see. |
| Constellation | Cetus |
| Right ascension (J2000) | 01h 04m 47.8s |
| Declination (J2000) | +02° 07′ 04″ |
More in Cetus
NGC 246Skull NebulaPlanetary nebula · mag 8.0
M77Cetus AGalaxy · mag 8.8
NGC 247Needle's Eye GalaxyGalaxy · mag 9.2
NGC 936Darth Vader's StarfighterGalaxy · mag 10.2
NGC 584Little Spindle GalaxyGalaxy · mag 10.4
PGC 143Wolf-Lundmark-MelotteGalaxy · mag 10.8Sources 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 →