Designation |
M17, NGC 6618, Omega
Nebula, Swan Nebula |
Object type |
Emission nebula |
Coordinates |
18h21min, - 16°11' (Sagittarius ) |
Description |
M 17, the Omega nebula - also
referred to as the Swan - is a beautiful emission nebula showing a figure
2 shape. It was discovered by Messier in 1764 and lies about 6000
lightyears from earth. Click on the above image to double the
resolution (50% of original)
Here is a link to another
H-Alpha image taken with a 10" Maksutov-Newtonian and a
colour rendering with a 6" refractor
|
Exposure |
Ha 120 min @ -25°C -
all exposures 15 min |
Camera |
SBIG STL-11000, selfguided
/ Astronomik 13nm Ha
filter |
Optics |
RCOS 14.5" Ritchey-Chrétien
@ f/9 |
Mount |
Astro-Physics AP1200GTO |
Software |
MaxIm DL/CCD, Sigma Pre Beta 11, Adobe
Photoshop CS |
Location - Date - Time |
San Esteban (Chile) - 13Aug2004 -
03:00 UTC |
Conditions |
Transparency 6, Seeing 4, Temperature
+ 9°C |