Plate 17
A glass plate exposed on 17 August 1908. The field is unremarkable at ordinary magnification.
Open plateArchive accession: OIS-17
A collection of astronomical plates, notebooks and correspondence from a private observatory whose recorded sky does not quite agree with the one above us. Most discrepancies are small. A few are not.
Current object
The surviving material was catalogued after the closure of the observatory. Coordinates have been retained exactly as written, including those that appear impossible.
Selected records
A glass plate exposed on 17 August 1908. The field is unremarkable at ordinary magnification.
Open plateMeasurements of a star whose parallax appears to imply several incompatible distances.
Read notebookLetters concerning the plate archive, a disputed southern constellation, and instructions not to correct the coordinates.
Open correspondence