Author

William Doberck

2 books found

Cover of Catalogue Of Right-ascensions Of 2,120 Southern Stars For The Epoch 1900 From Observations Made At The Hongkong Observatory During The Years 1898 To 1904

Catalogue Of Right-ascensions Of 2,120 Southern Stars For The Epoch 1900 From Observations Made At The Hongkong Observatory During The Years 1898 To 1904

Hong Kong Observatory, August William Doberck · First published 2018

Placeholder cover for Bahnbestimmung der Cometen

Bahnbestimmung der Cometen

William Doberck · First published 1873