NGC 4068
| Galaxy NGC 4068 |
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|---|---|
![NGC 4068 [1]](https://de.wikipedia.org/wiki/Datei:NGC4068_-_SDSS_DR14.jpg)
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| NGC 4068 | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 04 m 00.776 s |
| declination | + 52 ° 35 ′ 17.78 ″ |
| Appearance | |
| Morphological type | I am |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 2.5 ′ × 1.6 ′ |
| Position angle | 30 ° |
| Surface brightness | 13.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.000700 ± 0.000010 |
| Radial velocity | 210 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(13 ± 1) x 10 6 ly (3.86 ± 0.28) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 12, 1789 |
| Catalog names | |
| NGC 4068 • IC 757 • UGC 7047 • PGC 38148 • CGCG 269-031 • MCG + 09-20-79 • IRAS F12014 + 5252 • GC 2692 • H II 781 • 2MASS J12040076 + 5235178 • WISEA J120400.78 + 523517.5 | |
NGC 4068 = IC 757 is an irregular dwarf galaxy of the Hubble type Im in the constellation Great Bear in the northern sky . It is estimated to be 13 million light years from the Milky Way and about 10,000 light years in diameter.
In the same area of the sky is u. a. the galaxy NGC 4102 .
The object was discovered in 1789 by the astronomer William Herschel using an 18.7 inch telescope.