Key facts
- Constellation
- Pisces
- Right ascension
- 00 48 01.510
- Declination
- +08 ° 17 ′ 49.45 ″
- Heliocentric radial velocity
- 5274 km/s
- Distance
- 219.64 ± 34.73 Mly (67.343 ± 10.649 Mpc )
- Type
- Scd?
- Size
- 141,000 ly (43,100 pc )
- Apparent size v
- 3.0 ′ × 2.5 ′
via Wikipedia infobox
Wikidata facts
- Instance of
- spiral galaxy
- Constellation
- Pisces
- Distance from Earth
- 70.74
- Image
- NGC257 - SDSS DR14.jpg
Show 11 more facts
- catalog code
- Gaia DR2 2557655949641435904
- galaxy morphological type
- SAc
- Commons category
- NGC 257
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1790-12-29
- redshift
- 0.017606
- apparent magnitude
- 9.510
- right ascension
- 12.00628934381190
- declination
- 8.29708509129290
- radial velocity
- 5268
- epoch
- J2000.0
Sources (3)
via Wikidata · CC0
~1 min read
Encyclopedic overview
NGC 257 is a spiral galaxy in the Pisces constellation. It was discovered on December 29, 1790, by Frederick William Herschel.
References
Excerpted from Wikipedia’s “NGC 257” article, available under the CC BY-SA 4.0 licence.