Zwicky's Triplet (Arp 103)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Zwicky's Triplet is visible in the evening sky, becoming accessible around 21:13 (PDT), 74° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:04, 78° above your northern horizon. It will continue to be observable until around 04:14, when it sinks below 21° above your north-western horizon.
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Name
Zwicky's Triplet (Arp 103)
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Object type
Galaxy cluster
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Position
| Right ascension: | 16h49m [1] |
| Declination: | +45°28' [1] |
| Constellation: | Hercules |
| Magnitude: | 14.60 (V) [1] |
Source