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Deep Eta carina in Hydrogen Alpha 300mm lens
Here is Eta Carina in 7Nm Ha light, with the 300mm f2.8 flourite lens from Bert.
2x15 mins ISO400. Baader 7Nm Ha filter and Idas uv/ir filter. Modded 350D. Processed in Iris and PS, only red channel used and turned to greyscale.
Scott
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