Abell cluster 2257 (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 2257 is visible all night. It will become visible at around 21:00 (PDT), 28° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 02:06, 88° above your southern horizon. It will be lost to dawn twilight at around 04:34, 59° above your western horizon.
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Name
Abell cluster 2257
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Object type
Galaxy cluster
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Position
| Right ascension: | 17h18m [1] |
| Declination: | +32°34' [1] |
| Constellation: | Hercules |
| Magnitude: | 17.10 (R) [1] |