(IAAC) Isserstedt stellar rings

Hi all,

I am actually reviewing an article written by a fellow amateur for Ciel
Extreme dedicated to this stellar groups: ring of stars thought to have an
origin in supernovae explosions.
If someone knows where I could find the list (that I suspect to be short)
of this potential rings, I would be happy to have it.
Any info and/or comments about the reality of such groupings are also
welcome. Thanks in advance,

Carpe noctem, Yann.

Yann Pothier
11 impasse Canart, 75012 PARIS, FRANCE

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