Arp 81 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 81 is visible all night because it is circumpolar. It will be highest in the sky at 00:18, 55° above your northern horizon. At dusk, it will become visible at around 21:18 (PDT), 47° above your northern horizon. It will be lost to dawn twilight at around 04:31, 41° above your north-western horizon.
Name
Arp 81
|
Object type
Galaxy cluster
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Position
Right ascension: | 18h12m [1] |
Declination: | +68°21' [1] |
Constellation: | Draco |
Magnitude: | 12.80 (V) [1] |
Source