| Image details |
| Date: 06/03/2008, New Mexico Skies |
| Exposure: 10 x 3 minutes |
| Telescope: Celestron 9.25 at f/6.3 |
| Mount: Losmandy G-11, guiding (webcam, PHDGuiding, Tak FS60C) |
| Camera: Canon 20Da at ISO 1600 |
|
| Object details |
| Number: M4, NGC 6121 |
| Type: globular cluster |
| Magnitude: 5.4 |
| Diameter: 35' |
| Constellation: Scorpius |
|
