Publications of the Astronomical Society of the Pacific, Volumes 3-4Astronomical Society of the Pacific, 1891 |
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Page x
Erratum in NEISON'S Moon 287 On the Determination of Stellar Magnitudes by Means of Pho- tography ( translation of a letter by Dr. C. V. L. CHARLIER ) . 288 Note on the above by J. M. Schaeberle . Errata in the Second Armagh Catalogue ...
Erratum in NEISON'S Moon 287 On the Determination of Stellar Magnitudes by Means of Pho- tography ( translation of a letter by Dr. C. V. L. CHARLIER ) . 288 Note on the above by J. M. Schaeberle . Errata in the Second Armagh Catalogue ...
Page 22
... mean - time clock , and the other for a work - room . The latter has been suitably warmed from the professor's house adjoining ; in this room the nucleus of a library is placed with the batteries , chrono- graph and chronometer . On the ...
... mean - time clock , and the other for a work - room . The latter has been suitably warmed from the professor's house adjoining ; in this room the nucleus of a library is placed with the batteries , chrono- graph and chronometer . On the ...
Page 29
... means , that if an exposure of one minute , to coronal rays , gives a fair amount of extension to the streamers , that doubling the time a greater extension will be obtained . No , you have crossed the limit of over - exposure , and a ...
... means , that if an exposure of one minute , to coronal rays , gives a fair amount of extension to the streamers , that doubling the time a greater extension will be obtained . No , you have crossed the limit of over - exposure , and a ...
Page 38
... Mean for I South Pole } 1 ° 27 ′ 58 ′′ . Mean for 2 0 20 North Pole 1 ° 34 ′ 51 ′′ . } 34′51 ′′ . Resulting Heliographic Co - ordinates . Longitude . Latitude .. 38 Publications of the.
... Mean for I South Pole } 1 ° 27 ′ 58 ′′ . Mean for 2 0 20 North Pole 1 ° 34 ′ 51 ′′ . } 34′51 ′′ . Resulting Heliographic Co - ordinates . Longitude . Latitude .. 38 Publications of the.
Page 44
... means sure that such simplifications did not somewhat influence their final results , Dr. STUMPE has valiantly ... Mean Proper Motion of each Group . " " о I 287.4 + 42.0 0.140 6.0 0.23 II 279.7 +40.5 0.295 6.7 0.43 III 287.9 +32.1 ...
... means sure that such simplifications did not somewhat influence their final results , Dr. STUMPE has valiantly ... Mean Proper Motion of each Group . " " о I 287.4 + 42.0 0.140 6.0 0.23 II 279.7 +40.5 0.295 6.7 0.43 III 287.9 +32.1 ...
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angle aperture appears Astronomical Astronomical Society atmosphere August axis bright BURCKHALTER California Street Catalogue Chicago Section chronometer Comet Committee copies corona coronal pole crater dark diameter Directors disc distance drawings E. E. BARNARD eclipse elected elongated equator equatorial exposure eye-piece HOLDEN inches instrument J. M. SCHAEBERLE July Jupiter Jupiter's KEELER latitude Library Lick Observatory light limb London longitude lunar magnitude means meeting meridian meridian circle meteors minutes Miss CLERKE MOLERA Moon Mount Hamilton nebula negatives object observations obtained Pacific parallax Paris photographic PIERSON planet plates polar position present Prof Professor WEINEK proper motions Publications radiant rays reference book right ascension ring San Francisco satellite SCHMIDT Secretary seen shadow solar spectra spectrum spot stars stellar sun-spots sun's telescope temperature tion TRANSIT OF MERCURY U. S. Naval Observatory University visible W. H. S. MONCK W. W. CAMPBELL Washington Zodiacal light