Sharpless 139 (HII region)
 
                    From South El Monte , Sharpless 139 is visible all night. It will become visible at around 19:00 (PDT), 60° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:44, 65° above your northern horizon. It will continue to be observable until around 03:38, when it sinks below 21° above your north-western horizon.
| 
                    Name
                    Sharpless 139                 | 
                    Object type
                    HII region                 | 
All times shown in South El Monte local time.
 
                        