IC 3357
| Galaxy  IC 3357  | 
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|---|---|
| 
 | 
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| IC 3357 | |
| AladinLite | |
| Constellation | Virgin | 
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Position  equinox : J2000.0 , epoch : J2000.0  | 
|
| Right ascension | 12 h 26 m 51.354 s | 
| declination | + 09 ° 46 ′ 38.99 ″ | 
| Appearance | |
| Morphological type | Sc: | 
| Brightness (visual) | 14.6 mag | 
| Brightness (B-band) | 15.4 mag | 
| Angular expansion | 0.4 ′ × 0.1 ′ | 
| Position angle | 170 ° | 
| Surface brightness | 11.0 mag / arcmin² | 
| Physical data | |
| Affiliation | Virgo cluster (??) | 
| Redshift | 0.046952 ± 0.000012 | 
| Radial velocity | 14,076 ± 4 km / s | 
| 
Stroke distance  v rad / H 0  | 
(626 ± 44)  ·  10 6  ly (191.9 ± 13.4) Mpc  | 
| history | |
| discovery | Royal Harwood Frost | 
| Discovery date | May 7, 1904 | 
| Catalog names | |
| IC 3357 • PGC 40757 • CGCG 070-083 • 2MASX J12265135 + 0946388 • VCC 946 • 2MASS J12265134 + 0946386 • GALEX ASC J122651.37 + 094640.6 • NSA 161771 | |
IC 3357 is a spiral galaxy in the constellation Virgo north of the ecliptic . It is an estimated 626 million light years away from the Milky Way and about 75,000 light years in diameter. It is listed as a member of the Virgo galaxy cluster under catalog number VVC 946 , but is too far away for that. 
The galaxies NGC 4417 , NGC 4442 , IC 3328 , IC 3374 are located in the same area of the sky .
The object was discovered by Royal Harwood Frost on May 7, 1904 .