Robust Evidence of Unidentified Anomalous Phenomena in Pre-Satellite Era Night-Sky Images
The discussed papers, each of which is open access, can be downloaded at the following links:
https://iopscience.iop.org/article/10.1088/1538-3873/ae0afe
https://www.nature.com/articles/s41598-025-21620-3
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1158/8221885