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Then we can have an STC duo trifid battle ! Got a few hours of it over the weekend, but lousy weather this week. This weekend looks okay?
It looks the trifid is an ideal target with the duo filter - the Ha and OIII are separating nicely. Might seem redundant to use it here but it really clobbers the background noise in light polluted Sydney.
The lagoon was another matter. The Halpha swamps everything. I've been struggling with it's processing ...
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