About this Image
One of the brightest nebulas in the southern hemisphere is the Eta Carina Nebula, a huge gas and dust cloud (NGC 3372). It is situated approx. 7,500 light-years away in the constellation Carina.
This wide image show many deep sky objects around the Eta Carina Nebula, the most prominent are the emission nebulas NGC 3576 and NGC 3603 (top right),
NGC 3324 and NGC 3293 (bottom left) as well as the open cluster NGC3532 (center right).
Canon 200mm EF-L f/2.8 stopped to f/3.5
|Camera||SBIG STL-11000M at -25C, internal filter wheel|
|Filters||Astronomik RGB, H-alpha, (15 nm)|
|Date||May 20-21, 2006.|
|Sky Conditions||mag 7, high transparency, temperature 5 C,|
Ha:R:G:B = 80:15:15:15 minutes (10-minute sub-exposures for H-alpha, 5 min for RGB),
Image aquisition, calibration and color synthesis in Maxim DL 4.11;
Photoshop: curves, mild unsharp mask, color balance, star color handling, Ha additionally used as 40% L channel;