Quote:
Originally Posted by ChrisV
I've been doing same with a similar filter, STC Duo. Pretty good Halpha with the filter through the red on an osc camera. Maybe not as good as some Halpha filters but why not when you already have the optolong filter
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Yeah, my preference would absolutely be to try and just use what I have if I can. Was just interested to understand if using a dual-band filter to extract the Ha component would leave me with a half-baked result compared to using a dedicated Ha filter.