Publications of the Astronomical Society of the Pacific, Volumes 3-4Astronomical Society of the Pacific, 1891 |
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Page 14
... nearly straight lines , which meet at an angle as shown . The CASSINI division is seen quite up to the shadows on both sides . 1879 , Oct. 16 , about 12h 30m , W. m . t . WVt . 2 . 26 - inch equatorial . Figures 3 and 4 are 4 refers to ...
... nearly straight lines , which meet at an angle as shown . The CASSINI division is seen quite up to the shadows on both sides . 1879 , Oct. 16 , about 12h 30m , W. m . t . WVt . 2 . 26 - inch equatorial . Figures 3 and 4 are 4 refers to ...
Page 14
... nearly a straight line , but it is a very little convex to the ball , and it is black . The shadow of the ball on the ring is 2 times wider at its S. edge than at the N. The grey shading in Ring B extends from the outer ellipse of the ...
... nearly a straight line , but it is a very little convex to the ball , and it is black . The shadow of the ball on the ring is 2 times wider at its S. edge than at the N. The grey shading in Ring B extends from the outer ellipse of the ...
Page 16
... nearly straight , but just percept- ibly concave to the ball . The shadow of the ball on the east side is narrower than that on the west , and it appears very slightly convex to the ball . The shadow of the ball on the dusky ring is ...
... nearly straight , but just percept- ibly concave to the ball . The shadow of the ball on the east side is narrower than that on the west , and it appears very slightly convex to the ball . The shadow of the ball on the dusky ring is ...
Page 19
... nearly uniform southern hemisphere . North of the equa- torial bright belt is a narrow , dusky belt ( 11⁄2 " ? ) , then a narrow , bright belt ( 11⁄2 " ? ) , and then a dark band , which is the dusky ring itself ( Ring C ) . 1888 , Nov ...
... nearly uniform southern hemisphere . North of the equa- torial bright belt is a narrow , dusky belt ( 11⁄2 " ? ) , then a narrow , bright belt ( 11⁄2 " ? ) , and then a dark band , which is the dusky ring itself ( Ring C ) . 1888 , Nov ...
Page 26
... nearly one part in 300 . It would , of course , be quite possible to reduce considerably this outstanding limit of uncertainty , by making the necessary weight in the lamp wire , and with increased care in mounting the same . Appendix ...
... nearly one part in 300 . It would , of course , be quite possible to reduce considerably this outstanding limit of uncertainty , by making the necessary weight in the lamp wire , and with increased care in mounting the same . Appendix ...
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Common terms and phrases
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