Arp 311 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 311 will become visible at around 20:27 (PDT), 65° above your northern horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 02:52 when it dips 21° above your north-western horizon.
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Name
Arp 311
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Object type
Galaxy cluster
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Position
| Right ascension: | 17h27m [1] |
| Declination: | +58°28' [1] |
| Constellation: | Draco |
| Magnitude: | 14.40 (V) [1] |
Source