Publications of the Astronomical Society of the Pacific, Volumes 3-4Astronomical Society of the Pacific, 1891 |
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Page x
... Rays , by J. M. SCHAEBERLE 296 Minutes of the Meeting of the Directors , September 5 , 1891 • 298 Members elected 298 Committee appointed 298 Minutes of the Meeting of the Society , September 5 , 1891 . 299 Minutes of the Seventh and ...
... Rays , by J. M. SCHAEBERLE 296 Minutes of the Meeting of the Directors , September 5 , 1891 • 298 Members elected 298 Committee appointed 298 Minutes of the Meeting of the Society , September 5 , 1891 . 299 Minutes of the Seventh and ...
Page 26
... rays diminish in brightness as they recede from the sun , a limit must be reached , when the faintest beams will be ... ray is immersed in the tiniest shadow : but when contrast ceases to exist , they at once become dumb . The faintest ...
... rays diminish in brightness as they recede from the sun , a limit must be reached , when the faintest beams will be ... ray is immersed in the tiniest shadow : but when contrast ceases to exist , they at once become dumb . The faintest ...
Page 28
... rays . But let us suppose that all the conditions are most favorable ; that the objective is well cor- rected for spherical aberration and chemical rays ; totality happens in summer ; the sun is near culmination in an Italian sky ...
... rays . But let us suppose that all the conditions are most favorable ; that the objective is well cor- rected for spherical aberration and chemical rays ; totality happens in summer ; the sun is near culmination in an Italian sky ...
Page 29
... 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 fogged plate is the inevitable consequence . One of the ...
... 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 fogged plate is the inevitable consequence . One of the ...
Page 34
... rays which spring up from the sun at any part of its surface , so far as may be assumed , but are seen from the earth as if projected on the plane through the centre of the sun , perpendicular to the line of sight . Also the coronal ...
... rays which spring up from the sun at any part of its surface , so far as may be assumed , but are seen from the earth as if projected on the plane through the centre of the sun , perpendicular to the line of sight . Also the coronal ...
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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