 Saturn, and comparisons with lines in the spectnim of the moon, or of the sky, made in the course of each night's observations of star-motions, or on the following morning, as a check on the general accuracy of the results for star-motions. The observations...  The Observatory - Page 2791885Full view - About this book
 | Sir Norman Lockyer - 1885 - 916 pages
...of the sky, made in the course of each night'-, observations of star-motions, or on the iollt>wing morning, as a check on the general accuracy of the...line, Mr. Maunder has suggested the use of a reversion spectro-cope (on the double-im-.ge principle) Or these observations, and Prof. Pritchard has kindly... | |
 | Sir Norman Lockyer - 1885 - 790 pages
...limbs of Jupiter, and of the east and west ansre of the rings of Saturn, and comparisons with lines in the spectrum of the moon, or of the sky, made in the...line, Mr. Maunder has suggested the use of a reversion spectro cope (on the double-hrr.ge principle) for these observations, and Prof. Pritchard has kindly... | |
 | 1885 - 500 pages
...limbs of Jupiter, and of the east and west ansae of the rings of Saturn, and comparisons with lines in the spectrum of the Moon, or of the sky, made in the...there is great difficulty in the use of a pointer or cross -wires for measuring both the broad dark line in the star's spectrum and the narrow bright comparison... | |
 | 1885 - 322 pages
...spectra of the east and west limbs of Jupiter, and of the east and west ansaj of the rings of Saturn. The observations of the last twelve months confirm...approaching the sun at the rate of about 20 miles a second, There were only two days in the twelve months ending 1885, May 2Oth, on which the sun's disc was observed... | |
 | Smithsonian Institution. Board of Regents - 1886 - 1046 pages
...displacement of the F line in the spectra of 47 stars, and 72 measures of the b lines in 14 stars. Tlie observations of the last twelve months confirm the...approaching the sun at the rate of about 20 miles a second. Photographs of the sun were taken on one hundred and seventy-three days. On only two days was the sun's... | |
 | Smithsonian Institution. Board of Regents - 1886 - 1036 pages
...displacement of the F line in the spectra of 47 stars, and 72 measures of the b lines in 14 stars. The observations of the last twelve months confirm...approaching the sun at the rate of about 20 miles a second. Photographs of the sun were taken on one hundred and seventy-three days. On only two days was the sun's... | |
 | Sir Norman Lockyer - 1885 - 682 pages
...and of the east and west ans.-e of the rings of Saturn, and comparisons with lines in the spectnim of the moon, or of the sky, made in the course of...line, Mr. Maunder has suggested the use of a reversion spectro cope (on the double-im-.ge principle) for these observations, and Prof. Pritchard has kindly... | |
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