Thread: Some double/multiple stars
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  #5  
Old 01-03-2018, 04:58 PM
Saturnine (Jeff)
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Join Date: Jul 2008
Location: Wollongong
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So 3 out of 4 was ok then, should have known it wasn't Castor as the stars are too blue / white . Your scope seems to be well collimated judging by the diffraction rings .
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