Thread: M4 - A night to forget...
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Old 06-08-2013, 09:26 AM
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jsmoraes (Jorge)
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Location: Saquarema, RJ , Brazil
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August, 4 I shoot Alpha Centaurus A and B with reflector newtonian and they show something alike, and I think because of refraction over diffraction of Airy disc by secondary. Would be it ?
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