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.
|
|