Barnard 307 (Dark nebula)
                R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.            
        From South El Monte , Barnard 307 will become visible at around 17:57 (PST), 25° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 33 minutes after the Sun at 20:29.
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                    Name
                    Barnard 307                 
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                    Object type
                    Dark nebula                 
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Position
| Right ascension: | 18h18m [1] | 
| Declination: | −17°57' [1] | 
| Constellation: | Sagittarius | 
Sources