Citations
'Photographic magnitudes of stars, Dec. +64 [degrees] to Dec. + 90 [degrees] Ledgers', 1911 - 1912, GBR/0180/RGO 156/3, Box 11: RGO 156/3: Series GBR/0180/RGO 156. Cambridge University Library. |
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'Photographic magnitudes of stars, Dec. +64 [degrees] to Dec. + 90 [degrees] Ledgers', 1911 - 1912, GBR/0180/RGO 156/3, Box 11: RGO 156/3: Series GBR/0180/RGO 156. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/1912872 Accessed March 15, 2025. |