Thread: Barlow or new eyepiece?
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Old 13-05-2015, 02:14 PM
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BilliGoatsGruff (Billi)
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Location: Riverland, South Australia
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Quote:
Originally Posted by OzStarGazer View Post
I find this resource very useful by the way:
http://www.stargazing.net/naa/scopemath.htm
This was definitely interesting!
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