AstronomyUkraine Posted February 26, 2021 Share Posted February 26, 2021 IC405 processed with Ha and SII data in Pixinsight. I wouldn't risk taking OIII data with my Optolong OIII filter, not while the moon is out. 4.5 hours of Ha data, and 3.5 hours of SII data. 5 Quote Link to comment Share on other sites More sharing options...
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