click for larger image (65%)
| Catalogue and alternative designations | M8,
NGC 6523, Lagoon Nebula with the
Trifid Nebula (M20, NGC 6514) at
the bottom right
|
| Type | Emission Nebula |
| Position | 18 03.8, -24 23 |
| Constellation | Scorpius |
| Camera and Telescope | STL6303E and FSQ106ED |
| Focal Ratio | F5 |
| Exposure Details | LRGB = 90:60:60:80 All binned 1x1 with Astrodon NIR filters. Red is assigned to a band peaking at about 850nm, Green peaking at about 830nm and Blue at 750nm. The luminance is "visible blocked" with zero response shorter than 700nm. |
| Description | This well known emission nebula is easily visible with the naked eye under a dark sky and the nebulosity covers some 90' x 40' in total. The estimated distance is 1600 parsecs. The nebulosity is considerably reduced in near infrared and many cooler and obscured stars are visible. |