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Eta Carina neb. in narrowband oxygen 3
Hi all
My Baader "Narrowband O III" 2 inch filter arrived today and when skies briefly cleared I whacked it into the 10 inch scope to try on Eta Carina. The finished image was green, but also had some blue in it. There was no nebulosity in the red channel. So I removed the red and reduced the blue by 50% as there was some nebulosity in the blue, lots more in the green. I then turned it to greyscale.
2x 10 mins iso 400, modded 350d, 10 inch f5.6, some cloud and haze present.
Scott
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