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Andy | all galleries >> Deep sky astrophotos >> Trifid Nebula > Trifid Nebula June 2015
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17-Jun-2015 Andy Casely

Trifid Nebula June 2015

The colourful Trifid Nebula (M20) is a mix of red emission nebula and blue reflection nebula. Open cluster M21

4 x 5 minutes & 12 x 3 minutes, ISO800, EOS 60D, darks, flats and bias subtracted. 150mm f/5 Newtonian on HEQ5 pro mount, Orion mini autoguider. Stacked and processed in PixInsight and Photoshop. full exif

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