NGC 7765
Galaxy NGC 7765 |
|
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NGC 7765 (m), NGC 7768 & LEDA 1798869 (u) | |
AladinLite | |
Constellation | Pegasus |
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 .