Popular Astronomy, Volume 59Goodsell Observatory of Carleton College, 1951 |
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Page 178
... night is limited by the night errors , which are probably due to refraction anomalies . These positional night errors are assumed constant during all the exposures of one and the same field within the same night . For the Sproul ...
... night is limited by the night errors , which are probably due to refraction anomalies . These positional night errors are assumed constant during all the exposures of one and the same field within the same night . For the Sproul ...
Page 196
... night fall in the United States . During those fifteen years , 120 billions of meteorites comparable in magnitude to those of the Giacobini shower have been intercepted by our planet . About half of these were night encounters , such as ...
... night fall in the United States . During those fifteen years , 120 billions of meteorites comparable in magnitude to those of the Giacobini shower have been intercepted by our planet . About half of these were night encounters , such as ...
Page 329
... night , i.e. , April 20 , two centers about 7 ° apart are shown . One has the choice of considering the Lyrid radiants as an oval about 7 ° x 3 ° in area , of it being double and each rather sharp , or that it is single and ordinary ...
... night , i.e. , April 20 , two centers about 7 ° apart are shown . One has the choice of considering the Lyrid radiants as an oval about 7 ° x 3 ° in area , of it being double and each rather sharp , or that it is single and ordinary ...
Contents
JOHN LESLIE COMRIE 18931950 CHARLES H SMILEY | 115 |
LONGFOCUS PHOTOGRAPHIC ASTROMETRY CONTINUED | 129 |
GALILEO THE ASTRONOMER GEORGIO ABETTI | 138 |
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AAVSO absolute magnitude acceleration altitude American angle appear asteroids Astr astrometric Astronomical Society August binaries bright California Carleton College central chondrite cohenite comet components computed crater curve CURVIN H diagonal distance earth effect Ephemeris error eyepiece figures film fireball fringe galaxy Gingrich given Goodsell Observatory Harvard instruments iron January Jour June Jupiter kamacite latitude light longitude lunar Mars mass maximum measured meteor meteorite Meteoritical Society Mexico Milky Moon Moon's Mount Wilson nebulae night node Notes Nova object observations Observatory obtained OCCULTATIONS VISIBLE octahedrite optical parallax path photographic planet plates plessite POPULAR ASTRONOMY position present prism Professor proper motion reference stars reports right ascension rotation saros Saturn schreibersite siderite slits solar eclipses specimen spectra spectrum stellar subclass Sunspot surface symbols Table taenite telescope tion troilite University Variable Star velocity Venus