Nebulae M27 - *True* Colour Previous Next Enlarge to Full Size Date: 7/1/2005 This shot is a collaboration between Stef Cancelli and Paul Mortfield. Data aquisition and calibration by Paul Mortfield (Check out Paul's website), processing by Stef Cancelli. Thornhill, Ontario 16" RC Telescope, SBIG St10 XME AstroDon Ha, OIII and SII filters 1 hour per channel of Ha/Ha-OIII-OIII

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