NGC 6943
Galaxy NGC 6943 |
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AladinLite | |
Constellation | peacock |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 20 h 44 m 33.74 s |
declination | -68 ° 44 ′ 51.8 ″ |
Appearance | |
Morphological type | SAB (r) cd: |
Brightness (visual) | 11.4 mag |
Brightness (B-band) | 12.1 mag |
Angular expansion | 4.0 '× 2.2' |
Position angle | 130 ° |
Surface brightness | 13.5 mag / arcmin² |
Physical data | |
Redshift | 0.010387 ± 0.000013 |
Radial velocity | 3114 ± 4 km / s |
Stroke distance v rad / H 0 |
(134 ± 9) x 10 6 ly (41.2 ± 2.9) Mpc |
history | |
discovery | William Herschel |
Discovery date | June 27, 1835 |
Catalog names | |
NGC 6943 • PGC 65295 • ESO 074-006 • IRAS 20398-6855 • 2MASX J20443374-6844519 • SGC 203948-6855.7 • 2MASS J20443371-6844517 • HIPASS J2044-68 • WISEA J204433.78-684451.3 |
NGC 6943 is a spiral galaxy of Hubble type SBc in the constellation Peacock on southern sky . It is estimated to be 284 million light years from the Milky Way and about 165,000 light years in diameter .
In the same area of the sky is u. a. the galaxy NGC 6945 .
The supernovae SN 1998ew (Type II) and SN 2005av (Type IIn) were observed here.
The object was discovered by Wilhelm Herschel on June 27, 1835 .