Abell cluster 721 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Fairfield , Abell cluster 721 is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 21:43 (EDT), 25° above your north-western horizon. It will be lost to dawn twilight at around 04:11, 15° above your northern horizon.
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Name
Abell cluster 721
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Object type
Galaxy cluster
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Position
| Right ascension: | 08h59m [1] |
| Declination: | +61°17' [1] |
| Constellation: | Ursa Major |
| Magnitude: | 17.70 (R) [1] |