NGC2251 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC2251 is visible in the evening sky, becoming accessible around 18:14 (PST), 28° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:16, 64° above your southern horizon. It will continue to be observable until around 02:52, when it sinks below 21° above your western horizon.
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Name
NGC2251
|
Object type
Open cluster
|
Position
| Right ascension: | 06h34m [2] |
| Declination: | +08°21' [2] |
| Constellation: | Monoceros |
| Magnitude: | 7.30 (V) [3] 7.69 (B) [2] |
| Angular dimensions: | 5.7 arcmin |
| Distance: | 1.3 kpc 4.3 klyr [1] |
| B-V Color (mag): | 0.39 |
Derived quantities
| Absolute mag (V): | -3.32 |
Sources