The Cave Nebula (Sharpless 155)
                    From South El Monte , the Cave Nebula is visible all night. It will become visible at around 17:56 (PST), 56° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 19:50, 61° above your northern horizon. It will continue to be observable until around 03:05, when it sinks below 21° above your north-western horizon.
| 
                 
                    Name
                    The Cave Nebula (Sharpless 155)                 
             | 
            
                 
                    Object type
                    HII region                 
             | 
        
All times shown in South El Monte local time.