IC 166
AladinLite | |
Constellation | Cassiopeia |
Position equinox : J2000.0 |
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Right ascension | 01 h 52 m 23.8 s |
declination | + 61 ° 51 ′ 09 ″ |
Appearance
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classification | III1r |
Brightness (visual) | 11.7 mag |
Angular expansion | 8th |
Physical data | |
history | |
Discovered by | Wilhelm Denning |
Discovery time | 1890 |
Catalog names | |
IC 166 • OCl 334 • |
IC 166 is the name of an open cluster in the constellation Cassiopeia . The star cluster has an angular extent of 8 '× 8' and an apparent magnitude of 11.7 mag.
The object was discovered by William Frederick Denning in 1890 .