Click here to see the H alfa grayscale data used for this image

Technical Details:

Object(s): Horsehead nebula cpmplex in Orion
Observing Site: La Hita Observatory, Toledo
Date and Time:2 Oct 2005 04:07 UTC (start time)
Camera: SBIG STL 11000M
CCD: Kodak KAI-11000 12 Megapixel CCD interline sensor
Telescope: Takahashi FSQ @ f/5
Filters: Astrdon H alpha 6nm, Astrodon i-series blue broadband
Exposure: H alpha 60 minutes (15x4), Blue 30 minutes (6x5)
Capture software: CCD Soft
Processing Software: Images Plus (raw conversion), Photoshop (curves, color)
Comments: Bicolor technique with synthetic green, own version based on techniques from Cannistra, Levay and others

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