NGC3231 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , NGC3231 will become visible at around 21:18 (PDT), 40° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 00:35 when it dips 21° above your north-western horizon.
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Name
NGC3231
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Object type
Open cluster
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Position
| Right ascension: | 10h26m [1] |
| Declination: | +66°48' [1] |
| Constellation: | Ursa Major |
Source