File:NGC477_-_SDSS_DR14.jpg · Wikimedia Commons · See Wikimedia Commons
Key facts
- Constellation
- Andromeda
- Right ascension
- 01 21 20.39
- Declination
- +40 ° 29 ′ 17.6 ″
- Redshift
- 0.019560 ± 0.000033
- Heliocentric radial velocity
- 5807 ± 10 km/s
- Distance
- 250 Mly
- Type
- SAB(s)c
- Apparent size v
- 1,6′ × 1,1′
via Wikipedia infobox
Wikidata facts
- Instance of
- spiral galaxy
- Constellation
- Andromeda
- Distance from Earth
- 86.30
- Image
- NGC 0477 SDSS.jpg
Show 11 more facts
- catalog code
- Gaia DR2 371801029459671680
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1786-10-18
- redshift
- 0.019544
- galaxy morphological type
- SABbc
- apparent magnitude
- 12.669
- radial velocity
- 5876
- Commons category
- NGC 477
- right ascension
- 20.33475555936690
- declination
- 40.48816957986540
- epoch
- J2000.0
Sources (1)
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 477 is a spiral galaxy in the constellation Andromeda. It is located approximately 250 million light-years from Earth and was discovered on October 18, 1786 by astronomer William Herschel.
One supernova has been observed in NGC 477: SN 2002jy (type Ia, mag. 16.3).
Excerpted from Wikipedia’s “NGC 477” article, available under the CC BY-SA 4.0 licence.