Monthly Notices of the Royal Astronomical Society, Volume 53Priestley and Weale, 1893 Includes lists of additions to the society's library, usually separately paged. |
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Results 1-5 of 34
Page 28
... exposures ranging generally from 15s to 12m , as shown in the previous paper . This scale of expo- sures was , however , to some extent modified when the Nova got too faint to be shown with the short exposures , 28 LIII . I , Mr ...
... exposures ranging generally from 15s to 12m , as shown in the previous paper . This scale of expo- sures was , however , to some extent modified when the Nova got too faint to be shown with the short exposures , 28 LIII . I , Mr ...
Page 29
... exposure of 30m , and on Sep- tember 6 with an exposure of Im . 4 On March 15 and 18 two sets of exposures were given , the first with the Nova , and the second with the 5'7 mag . star B.D. + 30 ° .898 , at the centre of the plate , the ...
... exposure of 30m , and on Sep- tember 6 with an exposure of Im . 4 On March 15 and 18 two sets of exposures were given , the first with the Nova , and the second with the 5'7 mag . star B.D. + 30 ° .898 , at the centre of the plate , the ...
Page 36
... exposure on the Milky Way near and west of a Aquila of 4 hours 20 minutes ' duration with the Willard lens . Upon developing the plate I found a distinct hazy trail near the middle of it , and about a quarter of a degree long . By this ...
... exposure on the Milky Way near and west of a Aquila of 4 hours 20 minutes ' duration with the Willard lens . Upon developing the plate I found a distinct hazy trail near the middle of it , and about a quarter of a degree long . By this ...
Page 39
... exposure , on a scale of 0'556 in . = 1 ° , enlarged to 3 ins . 8. = 1o . This enormously ex- tends the area of the nebula , and shows that the dark markings which begin at the centre of the mass extend in curiously mean- dering lines ...
... exposure , on a scale of 0'556 in . = 1 ° , enlarged to 3 ins . 8. = 1o . This enormously ex- tends the area of the nebula , and shows that the dark markings which begin at the centre of the mass extend in curiously mean- dering lines ...
Page 40
... exposure has brought it out sufficiently to fill up the dark space completely , while the dark oval which Herschel describes so carefully at R.A. 100 and Decl . +900 of his drawing is in the photograph absolutely dark , and thrown into ...
... exposure has brought it out sufficiently to fill up the dark space completely , while the dark oval which Herschel describes so carefully at R.A. 100 and Decl . +900 of his drawing is in the photograph absolutely dark , and thrown into ...
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Common terms and phrases
Academy Andromedæ angle appeared Aquilæ Astronomer Royal Auriga Bisection bright Burnham Camelop Canis Carinæ Cassiopeia Catalogue Centauri centre Cephei cluster coefficient comet comparison stars correction Cygni Dembowski determined diameter distance double stars E. E. Barnard eclipse epoch Equat equatoreal exposure Galactic Long Geminorum Greenwich Greenwich Mean instrument Isaac Roberts June Jupiter Lalande lens Lick Observatory London longitude lunar Lupi Magn magnitude me²e mean measures Meteorological micrometer Monocerotis Monthly Notices Moon motion nebula Nova Auriga observations obtained Ophiuchi orbit Orionis paper parallax Paris period Persei photographs planet plates position probable error Professor proper motion Puppis Refraction right ascension Royal Observatory S. W. Burnham Sagittarii satellite Saturn Schiaparelli Scorpii seen Sept solar spectra spectroscope spectrum stellar Struve Tauri telescope thermometer tion transit transit circle Velorum ΙΟ