Here are my last observations, unfortunately all (still) obtained with sub optimal conditions (but similarly processed). Raws are available, and each day has independent replicate images obtained.
In my opinion, no clear sharper linear features are seen (i.e. unambiguously identified as CD).

≪アントニオ  シダダオ  ポルトガル≫
[Antonio Cidadao  Oeiras - Portugal]