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| Re: Ha Filters By Coronado Instruments
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by James Elton Smith/">James Elton Smith on April 5, 1999 20:47:40 UTC |
: I'm interested in the Ha filters and/or the Helios I solar telescope sold by Coronado Instrument Group has anyone had any experiance with them or opinions on them?
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