I don't mean to be patronising,[not knowing your knowledge level],
but are you sure you were looking at Jupiter? It doesn't rise until
around midnight, and would not be high enough in the sky to be reasonably well viewed until around 1.30-2.00am. I've never heard of anything resembling a ring or halo around it. Maybe it could happen with a child's toy scope with a plastic lens. Even a budget level 3" Newt
should give a nice sharp image of Jupiter.
raymo
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