Quote:
Originally Posted by Atmos
I shot this about 12 months ago and found it was more of a teal colour so a mixture of green and blue. This would make it a strong OIII emitter with no Ha.
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Hi Colin, you referred to this as a strong emitter. This raises an interesting question about the conventional wisdom that says HA is emission and OIII is reflection. Is that a universal rule I wonder?
Peter