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Old 06-11-2018, 07:57 AM
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mental4astro (Alexander)

mental4astro is offline
Join Date: Jun 2008
Location: sydney, australia
Posts: 4,336
Thanks Glen. It is visual observation I am asking about though.

Since posting my original question, I seem to recall Einstein's Cross or Einstein's Ring being visible - though the "Einstein Ring" is more of a collective term for an complete or long annular effect.

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