✦ LIBER ✦

Photographic observations of double stars.

✍ Scribed by G. Shajn

Publisher: John Wiley and Sons
Year: 1927
Tongue: English
Weight: 317 KB
Volume: 230
Category: Article
ISSN: 0004-6337
DOI: 10.1002/asna.19272302002

No coin nor oath required. For personal study only.

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The stars are kept in the centre of the field by a Dawes' slide. Corrections for refraction have been applied when-Band 141. the other abbreviations are the same as in No. 2989.