Hickson 21 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Hickson 21 is not observable – it will reach its highest point in the sky during daytime and is 24° below the horizon at dawn.
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Name
Hickson 21
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Object type
Galaxy cluster
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Position
| Right ascension: | 02h45m [1] |
| Declination: | −17°37' [1] |
| Constellation: | Eridanus |
| Magnitude: | 10.10 (R) [1] |