Publications of the Astronomical Society of the Pacific, Volumes 3-4Astronomical Society of the Pacific, 1891 |
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Page 32
... aperture and 421⁄2 inches focus , and are made of Jena glass . The grating is of the same size as the large concave grating described above , but is , of course , plane instead of concave . The jaws of the slit move equally in both ...
... aperture and 421⁄2 inches focus , and are made of Jena glass . The grating is of the same size as the large concave grating described above , but is , of course , plane instead of concave . The jaws of the slit move equally in both ...
Page 46
... aperture . The publication referred to is , I believe , also made at M. BISCHOFFS- HEIM's private cost . A brief description of the Nice Observatory will probably be printed in these Publications during the current year . E. S. H. ...
... aperture . The publication referred to is , I believe , also made at M. BISCHOFFS- HEIM's private cost . A brief description of the Nice Observatory will probably be printed in these Publications during the current year . E. S. H. ...
Page 56
... aperture made by COOKE for the late Mr. NEWALL of Ferndene , Gateshead , England , has been pre . sented to the University of Cambridge by his family , in accordance with Mr. NEWALL'S wishes , and generous provisions have been made for ...
... aperture made by COOKE for the late Mr. NEWALL of Ferndene , Gateshead , England , has been pre . sented to the University of Cambridge by his family , in accordance with Mr. NEWALL'S wishes , and generous provisions have been made for ...
Page 57
... aperture and 100 inches focus . The print is an excellent one , but it probably fails to do full justice to the original negative , which , most likely , shows stars some- thing like a full magnitude fainter than the print itself . I ...
... aperture and 100 inches focus . The print is an excellent one , but it probably fails to do full justice to the original negative , which , most likely , shows stars some- thing like a full magnitude fainter than the print itself . I ...
Page 60
... aperture , as it should be , and the advantage would be even more apparent , were it not for the great thickness of the Lick Observatory object - glass . When we come to compare the extent of nebulosity depicted , the advantage becomes ...
... aperture , as it should be , and the advantage would be even more apparent , were it not for the great thickness of the Lick Observatory object - glass . When we come to compare the extent of nebulosity depicted , the advantage becomes ...
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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