NGC6639 (Open cluster)
 
                    From South El Monte , NGC6639 will become visible at around 19:00 (PDT), 32° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:11.
| 
                    Name
                    NGC6639                 | 
                    Object type
                    Open cluster                 | 
All times shown in South El Monte local time.
 
                        