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The following HTML text is provided to enhance online readability. Many aspects of typography translate only awkwardly to HTML. Please use the page image as the authoritative form to ensure accuracy. 1881 Comet Pechule, 1880. Science Observer 3(6):45-46. Prof. Pickering, on the variable stars of short period. Science Observer 3(7):54-55. On the telegraphic transmission of astronomical data. Science Observer 3(9-10):65-77. Elliptic elements of Comet (f), 1881-Denning. Science Observer 3(11):91. On a new variable star in the constellation Cetus. Science Observer 3(12):105-6. Elemente des Cometen b 1881. Astronomische Nachrichten 100(2384):121 Elemente und ephemeride des Cometen e 1881. Astronomische Nachrichten 100(2396):320. On the periodicity of Comet (Denning) 1881 V. 101(2406):93. 1882 Sawyer's variable. Science Observer 4(1-2):11. On some suspected variable stars. Science Observer 4(7-8):60-62. Notes on some recently discovered variable stars. Science Observer 4(11):88. On the variability of DM. +23 1599. Astronomische Nachrichten 102(2433):139. On the period of R Hydrae. Astronomische Nachrichten 103(2463):225-34. 1883 Elemente des Cometen 1883 Brooks-Swift. Astronomische Nachrichten 105(2504):127. On the variability of 36 (Uran. Argentina) Ceti. Astronomische Nachrichten 105(2517):333-36. On the outburst in the light of the Comet Pons-Brooks Sept 21-23. Astronomische Nachrichten 107(2553):131. On the possible connection of the Comet Pons-Brooks with a meteor stream. Astronomische Nachrichten 107(2561):275. Results of tests with the “almucantar” in time and latitude. The Sidereal Messenger 2(9):269-74.
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