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Hi Steve,
nice in your face view of the Tarantula!
Like what the 3nM Ha filter can bring to extreme contrast.
At times I find the 12nM Ha filters I use/ have used while nice with their band pass during moonlit nights, seem to lack that extra zing & zip with contrast to the HII areas.
It looks I think the 3nM choice is a good one for enhancing the later compilation with L & RGB data if only to bring out better, the finer filaments and structure.
Look forward to the finished HALrgb image.
Rich
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