Abell cluster 839 (Galaxy cluster)
                    From South El Monte , Abell cluster 839 is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight at around 05:10, 43° above your northern horizon. At dusk, it will become visible at around 17:57 (PST), 24° above your northern horizon.
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                    Name
                    Abell cluster 839                 
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                    Object type
                    Galaxy cluster                 
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All times shown in South El Monte local time.