The California Nebula, NGC1499
Click here to see the H alfa grayscale data used for this image
Observing Site: La Hita Observatory, Toledo Date and Time:2 Oct 2005 21:30 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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