NGC6871 (Open cluster)
                R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.            
        From South El Monte , NGC6871 will become visible at around 17:56 (PST), 78° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:00.
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                    Name
                    NGC6871                 
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                    Object type
                    Open cluster                 
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Position
| Right ascension: | 20h05m [2] | 
| Declination: | +35°46' [2] | 
| Constellation: | Cygnus | 
| Magnitude: | 5.20 (V) [3] 5.43 (B) [2]  | 
| Distance: | 1.6 kpc 5.1 klyr [1]  | 
| B-V Color (mag): | 0.23 | 
Derived quantities
| Absolute mag (V): | -5.79 | 
Sources