Arp 7 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , Arp 7 is visible in the evening sky, becoming accessible around 20:19 (EDT), 30° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:48, 31° above your southern horizon. It will continue to be observable until around 23:15, when it sinks below 21° above your south-western horizon.
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Name
Arp 7
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Object type
Galaxy cluster
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Position
| Right ascension: | 08h50m [1] |
| Declination: | −16°34' [1] |
| Constellation: | Hydra |
| Magnitude: | 14.50 (V) [1] |
Source