Well, yes, but my point is that, if these astronomers are finding circles and other structures without doing basic checks such as distance, they could find thou

Well, yes, but my point is that, if these astronomers are finding circles and other structures without doing basic checks such as distance, they could find thousands right now, using nothing more than a chart of the known galaxies - and even bigger ones than they are reporting here. Thus, it is not plausible that they are omitting these basic checks.