NGC 99
| Galaxy NGC 99 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 23 m 59.4 s |
| declination | + 15 ° 46 ′ 14 ″ |
| Appearance | |
| Morphological type | Scd: |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.4 ′ × 1.3 ′ |
| Position angle | 42 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.017705 +/- 0.000021 |
| Radial velocity | (5308 ± 6) km / s |
|
Stroke distance v rad / H 0 |
(243 ± 17) · 10 6 ly (74.6 ± 5.2) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | October 8, 1883 |
| Catalog names | |
| NGC 99 • UGC 230 • PGC 1523 • CGCG 457-11 • MCG + 02-02-006 • IRAS 00214 + 1529 • 2MASX J00235942 + 1546130 • Stephan XII • LEDA 1523 | |
NGC 99 is a spiral galaxy from the Hubble type Sc / P in the constellation fish on the ecliptic . It is estimated to be 243 million light years away from the Milky Way and has a diameter of around 70,000 ly.
In the same area of the sky is the galaxy NGC 100 .
The object was discovered on October 8, 1883 by the French astronomer Édouard Jean-Marie Stephan .