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Eta Carinae Nebula: This image was obtained with a special filter in front of the camera, which lets only pass a narrow hydrogen emission line, which is typical for the excited gas blown away and twisted around by the tremendous star winds of the giant instable star Eta Carinae.

Object Eta Carinae Nebula
Category H-alpha Images
Designation NGC 3372
Constellation Carina
Optics TMB 130 f/6 with Field Flattener
Mount Astro-Physics 900 GTO
Camera SBIG STL 11000M with internal CFW 5
Exposure 6 x 10m (1x1 bin) Astronomik H-alpha filter, Maxim DL for image acquisition
Calibration Dark Frame
Guiding Selfguiding
Processing Maxim DL5, Photoshop
Location-Date Somerset West, South Africa - 1 Feb 2009
 
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