Spiral galaxy · Octans
NGC 2573 Polarissima Australis
mag 13.51.9′ across
About
NGC 2573 (Polarissima Australis) is a spiral galaxy of magnitude 13.5 in Octans, about 1.9′ across.
How to find it
- NGC 2573 is in the constellation Octans.
- Where on Earth: it is seen well, at least 10° up, from south of 9° 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 | NGC 2573, PGC 6249 |
|---|---|
| Type | Spiral galaxy (Sc) |
| Magnitude | 13.5The smaller the number, the brighter. |
| Apparent size | 1.9′ × 42″position angle 78°; the full Moon is 31′ across |
| Surface brightness | 23.5 mag/arcsec²Average over its disc, in the blue band: the lower the number, the easier it is to see. |
| Constellation | Octans |
| Right ascension (J2000) | 01h 41m 37.3s |
| Declination (J2000) | −89° 20′ 04″ |
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 →