NGC 99
Galaxy NGC 99 |
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SDSS recording | |
AladinLite | |
Constellation | fishes |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .