NGC 666
| Galaxy  NGC 666  | 
|
|---|---|
| 
 | 
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| AladinLite | |
| Constellation | triangle | 
| 
Position  equinox : J2000.0 , epoch : J2000.0  | 
|
| Right ascension | 01 h 46 m 06.2 s | 
| declination | + 34 ° 22 ′ 28 ″ | 
| Appearance | |
| Morphological type | S? | 
| Brightness (visual) | 13.3 mag | 
| Brightness (B-band) | 14.2 mag | 
| Angular expansion | 0.7 ′ × 0.5 ′ | 
| Position angle | 80 ° | 
| Surface brightness | 12.0 mag / arcmin² | 
| Physical data | |
| Affiliation | LGG 037 | 
| Redshift | 0.015788 ± 0.000090 | 
| Radial velocity | 4733 ± 27 km / s | 
| 
Stroke distance  v rad / H 0  | 
(218 ± 15)  x  10 6  ly (66.7 ± 4.7) Mpc  | 
| history | |
| discovery | Édouard Stephan | 
| Discovery date | November 22, 1883 | 
| Catalog names | |
| NGC 666 • UGC 1236 • PGC 6483 • CGCG 521-079 • MCG + 06-05-002 • 2MASX J01460620 + 3422283 • VI Zw 26 • LDCE 115 NED001 | |
NGC 666 is a 13.3 mag bright spiral galaxy in the constellation Triangle in the northern sky . It is estimated to be 218 million light years from the Milky Way and about 45,000 light years in diameter.
The object was discovered by Édouard Stephan on November 22, 1883 .