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#1
July 7th 08, 11:21 AM
posted to uk.sci.astronomy
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The Hubble Palette and the Amateur Astronomer
Combining images from narrowband filters is often done using the
Hubble tri-colour palette, in which SII, Ha, and OIII are assigned to R, G, and B, respectively. I took this image in 2006 with 20 minutes exposure per filter from a remote access observatory in New Mexico. Martin Nicholson, Daventry, England. My website is at http://www.martin-nicholson.info/1/1a.htm My informal Astronomical Blog is at http://ukastronomy.livejournal.com/ 
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