Thread: Is a 3nm Ha Astrodon vs a 7nm Ha worth it?
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Old 09-02-2017, 09:51 AM
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rustigsmed (Russell)
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Location: Mornington Peninsula, Australia
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I believe peter ward uses the 7nm very successfully from the middle of Sydney. of course narrower is better but they are really expensive.
7nm is fine for me but I am further from the city than you john!
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