Horse Head Nebula: The famous nebula was photographed for this image by putting a narrow-band filter in front of the camera, thus letting pass only the light from the Hydrogen Ha emission line.By this and also using a longer focal length more fine details can be observed.

Object Horse Head Nebula
Category H-alpha Images
Designation IC 0434
Constellation Orion
Optics Meade LX 200 GPS 10 inch f/10 x 0.5 Giant Easy Guider
Mount Equatorial Superwedge
Camera QHY8/ALccd 6c
Exposure 21 x 5min Astronomik Ha filter, capturing with Maxim DL
Calibration no
Guiding TMB 80 as Guide Scope, Maxim DL as Guiding Software
Processing Images Plus, Photoshop
Location-Date Somerset West, South Africa - 10 Nov 2007
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