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Old 27-01-2019, 11:42 PM
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that_guy (Tony)
Local Korean Millennial

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Join Date: Dec 2009
Location: Charleville
Posts: 2,063
reflection using ZWO LRGB + QHY9

whenever I shoot horsehead in LRGB with this set up, I always get this HUGE reflection, is there a way minimise or get rid of this artifact? Do I need a IR/UV filter as well?
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