Howdy
Great image there. With my O3 filter I find as yours, no data in red channel, plenty in green and some in blue, so in IRIS I went into colour balance, reduced the red levels to zero, reduced the green by 50% then turned the result into grayscale, that way theres a little less noise as all the red channel had was noise so may as well get rid of it.
My camera is modded but that makes no difference to O3 imaging, only H a imaging. Your camera will do just as well in O3.
Scott
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