Lenticular galaxy · Phoenix
NGC 89 Robert's Quartet
mag 13.51.2′ across
About
NGC 89 (Robert's Quartet) is a lenticular galaxy of magnitude 13.5 in Phoenix, about 1.2′ across.
How to find it
- NGC 89 is in the constellation Phoenix.
- Best evenings: around mid-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 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)Too faint for binoculars.
- Telescope (6–8 inch)A bright lens-shaped glow with a starlike core.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 89, PGC 1374 |
|---|---|
| Type | Lenticular galaxy (S0-a) |
| Magnitude | 13.5The smaller the number, the brighter. |
| Apparent size | 1.2′ × 36″position angle 140°; the full Moon is 31′ across |
| Surface brightness | 23.2 mag/arcsec²Average over its disc, in the blue band: the lower the number, the easier it is to see. |
| Constellation | Phoenix |
| Right ascension (J2000) | 00h 21m 24.4s |
| Declination (J2000) | −48° 39′ 55″ |
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 →