Abell cluster 831 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Abell cluster 831 is visible in the dawn sky, rising at 03:02 (PDT) – 3 hours and 51 minutes before the Sun – and reaching an altitude of 33° above the south-eastern horizon before fading from view as dawn breaks at around 05:54.
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Name
Abell cluster 831
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Object type
Galaxy cluster
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Position
| Right ascension: | 09h35m [1] |
| Declination: | −03°02' [1] |
| Constellation: | Hydra |
| Magnitude: | 17.50 (R) [1] |