About this Image
The super massive star Eta Carinae is embedded in a huge gas and dust cloud. It is situated approx. 7,500 light-years away.
Eta Carinae suffered a giant outburst in the year 1841, when it became one of the brightest stars in the southern sky.
Though the star released as much visible light as a supernova explosion, it survived the outburst.
TEC-140 APO refractor with TEC flattener at f/7
|Camera||SBIG STL-11000M at -25C, internal filter wheel|
|Filters||Astronomik RGB, H-alpha, O-III (12 nm)|
|Date||May 20-21, 2006.|
|Sky Conditions||mag 7, high transparency, temperature 10 C,|
Ha:R:G:B = 90:30:30:30 minutes (10-minute sub-exposures),
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;