C23 · galaxy
NGC 891
NGC 891 is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda.
RA02h 22m 32sDec+42° 20' 53"
Image: en:NASA , en:STScI , en:WikiSky. Public domain, via Wikimedia Commons.
Identity & coordinates
Identification
- Primary designation
- C23
- All designations
- C23 · NGC 891
- Object type
- Galaxy
- Constellation
- Andromeda
- Best viewing
- Autumn · Winter
Coordinates & physical
- Right ascension (J2000)
- 02h 22m 32s
- Declination (J2000)
- +42° 20' 53"
- Apparent magnitude (V)
- —
- Distance
- —
- Redshift (z)
- 0.001761
Visibility tonight
The science
NGC 891 is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by William Herschel on October 6, 1784. The galaxy is a member of the NGC 1023 group of galaxies in the Local Supercluster. It has an H II nucleus.
Summary adapted from Wikipedia · CC-BY-SA-4.0
References
- SIMBAD Not resolved
- NED Fetched May 8, 2026 View in NED ↗
- Wikipedia Fetched May 8, 2026 Read full article ↗
Wikipedia title resolved via designation — fell back to an alternate catalog designation.
1 merge conflict resolved
- coordinates: SIMBAD missing → NED used