NGC 2355 is an old open cluster in the constellation Gemini.
NGC 2355 | |
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![]() SDSS | |
Observation data (J2000 epoch) | |
Constellation | Gemini |
Right ascension | 07h 17.0m [1] |
Declination | +13° 47′[1] |
Distance | 5.38 kly[2] (1.65 kpc) |
Apparent magnitude (V) | 9.7[1] |
Apparent dimensions (V) | 5′[2] |
Physical characteristics | |
Other designations | Cr 133 |
See also: Open cluster, List of open clusters |
It is approximately a billion years old and is located about 5,400 light years (ly) from the Solar System and 1,100 ly above the plane of the Milky Way galaxy. At that distance, the angular size of the cluster halo corresponds to a radius of about 23 ly. The core radius is 2.3 ly, and the central component radius is 11 ly.[2]
New General Catalogue 2000 to 2499 | |
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Constellation of Gemini | |||||||||||||
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