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Hi Ingrid, great to have another female amateur astronomer in our midst! For some reason we are over-represented by males by what seems like a factor of 50 to 1!
I use my OIII filter the most. But I suspect this is because I have larger aperture (20 inches) and so the UHC filter is less necessary (nebulae are far brighter than in a 10 inch scope). I like to hunt down dim planetaries, and for this purpose, the OIII is fantastic.
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