Adding Oiii Data to the Squid Nebula 

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Very interesting video. The colorize technique on the hue saturation layer is new to me. I don’t understand how you let the certain colors through. Do you have that set on the layer groups? Are the groups in a certain blending modes? In the Ha group you have a Gradient fill layer, what is the purpose of that? I learn so much from your videos, please keep them coming. Thank you very much.