Irregular galaxy · Sextans
UGC 5373 Sextans B
mag 11.54.9′ across
About
UGC 5373 (Sextans B) is an irregular galaxy of magnitude 11.5 in Sextans, about 4.9′ across.
How to find it
- UGC 5373 is in the constellation Sextans.
- Best evenings: around early April 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 75° 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)An irregular, patchy glow.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | UGC 5373, PGC 28913 |
|---|---|
| Type | Irregular galaxy (IB) |
| Magnitude | 11.5The smaller the number, the brighter. |
| Apparent size | 4.9′ × 3.1′position angle 101°; the full Moon is 31′ across |
| Surface brightness | 23.7 mag/arcsec²Average over its disc, in the blue band: the lower the number, the easier it is to see. |
| Constellation | Sextans |
| Right ascension (J2000) | 10h 00m 00.1s |
| Declination (J2000) | +05° 19′ 56″ |
Sources 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 →