Euler E329: On the appearance of the heavens observed through transparent spherical segments | English translation | OMH v1.0

English translation of Leonhard Euler's E329, On the appearance of the heavens observed through transparent spherical segments. AI use and review status: OpenAI tools assisted with the translation and LaTeX. Version 1.0 is a machine draft with limited scholarly human inspection. Version 2.0 is reserved for a fully reviewed edition. Sources: Euler Archive, E329, https://scholarlycommons.pacific.edu/euler-works/329/; Novi Commentarii Academiae Scientiarum Imperialis Petropolitanae, XI for 1765 (1767), pp. 185-204 and Plate IV, https://archive.org/details/novicommentariac11impe; American Museum of Natural History Library, BHL item 38574, https://www.biodiversitylibrary.org/item/38574.