NGC 7765
| Galaxy NGC 7765 |
|
|---|---|
![NGC 7765 (m), NGC 7768 & LEDA 1798869 [1] (u)](https://de.wikipedia.org/wiki/Datei:NGC7765_-_SDSS_DR14.jpg)
|
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| NGC 7765 (m), NGC 7768 & LEDA 1798869 (u) | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 50 m 52.1 s |
| declination | + 27 ° 09 ′ 59 ″ |
| Appearance | |
| Morphological type | SB? |
| Brightness (visual) | 14.6 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.7 '× 0.7' |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Affiliation |
Abell 2666 WBL 724 |
| Redshift | 0.025514 ± 0.000047 |
| Radial velocity | 7649 ± 14 km / s |
|
Stroke distance v rad / H 0 |
(350 ± 24) x 10 6 ly (107.2 ± 7.5) Mpc |
| history | |
| discovery | RJ Mitchell |
| Discovery date | October 12, 1855 |
| Catalog names | |
| NGC 7765 • PGC 72596 • CGCG 477-015 • MCG + 04-56-015 • 2MASX J23505214 + 2709587 • GALEX ASC J235052.16 + 270958.6 • HOLM 818C | |
NGC 7765 is a spiral galaxy of Hubble type S in the constellation Pegasus at the northern sky . It is estimated to be 350 million light years from the Milky Way and about 70,000 light years in diameter. Together with NGC 7766 , NGC 7767 and NGC 7768 , it forms the galaxy group Holm 818 .
The object was discovered by RJ Mitchell on October 12, 1855 .